40112551164438 has 24 divisors (see below), whose sum is σ = 86973827305248. Its totient is φ = 13361111960112.

The previous prime is 40112551164437. The next prime is 40112551164463. The reversal of 40112551164438 is 83446115521104.

40112551164438 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 2 + 5 + 51 + 164 + 438 = 666.

It is a super-4 number, since 4×40112551164438⁴ (a number of 56 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40112551164393 and 40112551164402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112551164437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 811510270 + ... + 811559697.

It is an arithmetic number, because the mean of its divisors is an integer number (3623909471052).

Almost surely, 2^{40112551164438} is an apocalyptic number.

40112551164438 is an abundant number, since it is smaller than the sum of its proper divisors (46861276140810).

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

40112551164438 is a wasteful number, since it uses less digits than its factorization.

40112551164438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623071348 (or 1623071345 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 40112551164438 in words is "forty trillion, one hundred twelve billion, five hundred fifty-one million, one hundred sixty-four thousand, four hundred thirty-eight".