40402372599 has 6 divisors (see below), whose sum is σ = 58358982656. Its totient is φ = 26934915060.

The previous prime is 40402372583. The next prime is 40402372609. The reversal of 40402372599 is 99527320404.

40402372599 is a `hidden beast` number, since 404 + 0 + 237 + 2 + 5 + 9 + 9 = 666.

It is not a de Polignac number, because 40402372599 - 2⁴ = 40402372583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402372529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2244576247 + ... + 2244576264.

Almost surely, 2^40402372599 is an apocalyptic number.

40402372599 is a deficient number, since it is larger than the sum of its proper divisors (17956610057).

40402372599 is a wasteful number, since it uses less digits than its factorization.

40402372599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489152517 (or 4489152514 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 40402372599 in words is "forty billion, four hundred two million, three hundred seventy-two thousand, five hundred ninety-nine".