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44444442222222 = 2372394649952381
BaseRepresentation
bin10100001101100000001110…
…01100001101111010001110
312211100211212121001220000220
422012300013030031322032
521311134204202102342
6234305254521332210
712235001465441640
oct1206600714157216
9184324777056026
1044444442222222
1113185866a74409
124b99769937066
131ba51291aac33
14ad91a0134890
1552117e0815ec
hex286c0730de8e

44444442222222 has 64 divisors (see below), whose sum is σ = 102034397952000. Its totient is φ = 12642547357440.

The previous prime is 44444442222209. The next prime is 44444442222293. The reversal of 44444442222222 is 22222224444444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46190472 + ... + 47142852.

It is an arithmetic number, because the mean of its divisors is an integer number (1594287468000).

Almost surely, 244444442222222 is an apocalyptic number.

44444442222222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a pronic number, being equal to 6666666×6666667.

44444442222222 is an abundant number, since it is smaller than the sum of its proper divisors (57589955729778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44444442222222 is a wasteful number, since it uses less digits than its factorization.

44444442222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957281.

The product of its digits is 2097152, while the sum is 42.

Adding to 44444442222222 its reverse (22222224444444), we get a palindrome (66666666666666).

It can be divided in two parts, 4444444 and 2222222, that added together give a palindrome (6666666).

The spelling of 44444442222222 in words is "forty-four trillion, four hundred forty-four billion, four hundred forty-two million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 239 478 717 1434 1673 3346 4649 5019 9298 10038 13947 27894 32543 65086 97629 195258 952381 1111111 1904762 2222222 2857143 3333333 5714286 6666666 6666667 7777777 13333334 15555554 20000001 23333331 40000002 46666662 227619059 455238118 682857177 1365714354 1593333413 3186666826 4427619269 4780000239 8855238538 9560000478 13282857807 26565715614 30993334883 61986669766 92980004649 185960009298 1058201005291 2116402010582 3174603015873 6349206031746 7407407037037 14814814074074 22222221111111 44444442222222