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40442244211 = 1988110192371
BaseRepresentation
bin100101101010100010…
…111010110001110011
310212101111012212111201
4211222202322301303
51130311203303321
630325013352031
72631124255345
oct455242726163
9125344185451
1040442244211
1116173657726
127a08038617
133a76895025
141d5920b295
1510ba742291
hex96a8bac73

40442244211 has 16 divisors (see below), whose sum is σ = 42678921600. Its totient is φ = 38216534400.

The previous prime is 40442244203. The next prime is 40442244221. The reversal of 40442244211 is 11244224404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40442244211 - 23 = 40442244203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40442244211.

It is not an unprimeable number, because it can be changed into a prime (40442244221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17055856 + ... + 17058226.

It is an arithmetic number, because the mean of its divisors is an integer number (2667432600).

Almost surely, 240442244211 is an apocalyptic number.

40442244211 is a deficient number, since it is larger than the sum of its proper divisors (2236677389).

40442244211 is a wasteful number, since it uses less digits than its factorization.

40442244211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40442244211 its reverse (11244224404), we get a palindrome (51686468615).

It can be divided in two parts, 4044224 and 4211, that added together give a triangular number (4048435 = T2845).

The spelling of 40442244211 in words is "forty billion, four hundred forty-two million, two hundred forty-four thousand, two hundred eleven".

Divisors: 1 19 881 1019 2371 16739 19361 45049 897739 2088851 2416049 17057041 39688169 45904931 2128539169 40442244211