40165736287038 has 32 divisors (see below), whose sum is σ = 83859174878976. Its totient is φ = 12801114900288.

The previous prime is 40165736286971. The next prime is 40165736287069. The reversal of 40165736287038 is 83078263756104.

It is a happy number.

It is a super-2 number, since 2×40165736287038² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60483820 + ... + 61144287.

It is an arithmetic number, because the mean of its divisors is an integer number (2620599214968).

Almost surely, 2^{40165736287038} is an apocalyptic number.

40165736287038 is an abundant number, since it is smaller than the sum of its proper divisors (43693438591938).

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

40165736287038 is a wasteful number, since it uses less digits than its factorization.

40165736287038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121630528.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 40165736287038 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirty-six million, two hundred eighty-seven thousand, thirty-eight".