40161054401637 has 16 divisors (see below), whose sum is σ = 57673367683008. Its totient is φ = 24711832454400.

The previous prime is 40161054401623. The next prime is 40161054401641. The reversal of 40161054401637 is 73610445016104.

It is not a de Polignac number, because 40161054401637 - 2³⁴ = 40143874532453 is a prime.

It is a super-2 number, since 2×40161054401637² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161054401647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55103364 + ... + 55827437.

It is an arithmetic number, because the mean of its divisors is an integer number (3604585480188).

Almost surely, 2^{40161054401637} is an apocalyptic number.

It is an amenable number.

40161054401637 is a deficient number, since it is larger than the sum of its proper divisors (17512313281371).

40161054401637 is a wasteful number, since it uses less digits than its factorization.

40161054401637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110940100.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 40161054401637 in words is "forty trillion, one hundred sixty-one billion, fifty-four million, four hundred one thousand, six hundred thirty-seven".