40155838832131 has 16 divisors (see below), whose sum is σ = 44531308313856. Its totient is φ = 35901375300000.

The previous prime is 40155838832063. The next prime is 40155838832171. The reversal of 40155838832131 is 13123883855104.

It is a cyclic number.

It is not a de Polignac number, because 40155838832131 - 2⁷ = 40155838832003 is a prime.

It is a super-2 number, since 2×40155838832131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40155838832171) 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, 171885 + ... + 8963326.

It is an arithmetic number, because the mean of its divisors is an integer number (2783206769616).

Almost surely, 2^{40155838832131} is an apocalyptic number.

40155838832131 is a deficient number, since it is larger than the sum of its proper divisors (4375469481725).

40155838832131 is a wasteful number, since it uses less digits than its factorization.

40155838832131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141834.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 40155838832131 in words is "forty trillion, one hundred fifty-five billion, eight hundred thirty-eight million, eight hundred thirty-two thousand, one hundred thirty-one".