40166604260 has 24 divisors (see below), whose sum is σ = 84467214720. Its totient is φ = 16044290144.

The previous prime is 40166604239. The next prime is 40166604271. The reversal of 40166604260 is 6240666104.

It is a super-2 number, since 2×40166604260² (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 40166604260.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382234 + ... + 1410993.

It is an arithmetic number, because the mean of its divisors is an integer number (3519467280).

Almost surely, 2^40166604260 is an apocalyptic number.

It is an amenable number.

40166604260 is an abundant number, since it is smaller than the sum of its proper divisors (44300610460).

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

40166604260 is a wasteful number, since it uses less digits than its factorization.

40166604260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793955 (or 2793953 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 40166604260 in words is "forty billion, one hundred sixty-six million, six hundred four thousand, two hundred sixty".