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44444240044020 = 22325246912444689
BaseRepresentation
bin10100001101011111110110…
…01000111101111111110100
312211100211100111122011200100
422012233323020331333310
521311133300422402040
6234305222500114100
712234663462113055
oct1206577310757764
9184324314564610
1044444240044020
1113185772933993
124b99712095930
131ba50c634036b
14ad918134672c
1552116b446b30
hex286bfb23dff4

44444240044020 has 36 divisors (see below), whose sum is σ = 134814194800740. Its totient is φ = 11851797345024.

The previous prime is 44444240044019. The next prime is 44444240044031. The reversal of 44444240044020 is 2044004244444.

44444240044020 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 4 + 240 + 0 + 4 + 402 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7674739390224 + 36769500653796 = 2770332^2 + 6063786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123456222165 + ... + 123456222524.

It is an arithmetic number, because the mean of its divisors is an integer number (3744838744465).

Almost surely, 244444240044020 is an apocalyptic number.

It is an amenable number.

44444240044020 is an abundant number, since it is smaller than the sum of its proper divisors (90369954756720).

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

44444240044020 is a wasteful number, since it uses less digits than its factorization.

44444240044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246912444704 (or 246912444699 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 44444240044020 its reverse (2044004244444), we get a palindrome (46488244288464).

The spelling of 44444240044020 in words is "forty-four trillion, four hundred forty-four billion, two hundred forty million, forty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 246912444689 493824889378 740737334067 987649778756 1234562223445 1481474668134 2222212002201 2469124446890 2962949336268 3703686670335 4444424004402 4938248893780 7407373340670 8888848008804 11111060011005 14814746681340 22222120022010 44444240044020