40372000165 has 32 divisors (see below), whose sum is σ = 57989675520. Its totient is φ = 26381439744.

The previous prime is 40372000157. The next prime is 40372000177. The reversal of 40372000165 is 56100027304.

It is a cyclic number.

It is not a de Polignac number, because 40372000165 - 2³ = 40372000157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123327 + ... + 309763.

It is an arithmetic number, because the mean of its divisors is an integer number (1812177360).

Almost surely, 2^40372000165 is an apocalyptic number.

It is an amenable number.

40372000165 is a deficient number, since it is larger than the sum of its proper divisors (17617675355).

40372000165 is a wasteful number, since it uses less digits than its factorization.

40372000165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186741.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 40372000165 its reverse (56100027304), we get a palindrome (96472027469).

The spelling of 40372000165 in words is "forty billion, three hundred seventy-two million, one hundred sixty-five", and thus it is an aban number.