40166872592 has 80 divisors (see below), whose sum is σ = 98195715072. Its totient is φ = 15460844160.

The previous prime is 40166872589. The next prime is 40166872597. The reversal of 40166872592 is 29527866104.

It is a super-2 number, since 2×40166872592² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166872592.

It is not an unprimeable number, because it can be changed into a prime (40166872597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94148 + ... + 298659.

Almost surely, 2^40166872592 is an apocalyptic number.

It is an amenable number.

40166872592 is an abundant number, since it is smaller than the sum of its proper divisors (58028842480).

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

40166872592 is a wasteful number, since it uses less digits than its factorization.

40166872592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392916 (or 392910 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 40166872592 in words is "forty billion, one hundred sixty-six million, eight hundred seventy-two thousand, five hundred ninety-two".