40397852495 has 96 divisors (see below), whose sum is σ = 65892718080. Its totient is φ = 22962170880.

The previous prime is 40397852479. The next prime is 40397852507. The reversal of 40397852495 is 59425879304.

It is not a de Polignac number, because 40397852495 - 2⁴ = 40397852479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40397852495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39644096 + ... + 39645114.

It is an arithmetic number, because the mean of its divisors is an integer number (686382480).

Almost surely, 2^40397852495 is an apocalyptic number.

40397852495 is a deficient number, since it is larger than the sum of its proper divisors (25494865585).

40397852495 is a wasteful number, since it uses less digits than its factorization.

40397852495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 40397852495 in words is "forty billion, three hundred ninety-seven million, eight hundred fifty-two thousand, four hundred ninety-five".