40517208660 has 48 divisors (see below), whose sum is σ = 113527814400. Its totient is φ = 10797005184.

The previous prime is 40517208647. The next prime is 40517208679. The reversal of 40517208660 is 6680271504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150540 + ... + 322019.

It is an arithmetic number, because the mean of its divisors is an integer number (2365162800).

Almost surely, 2^40517208660 is an apocalyptic number.

It is an amenable number.

40517208660 is an abundant number, since it is smaller than the sum of its proper divisors (73010605740).

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

40517208660 is a wasteful number, since it uses less digits than its factorization.

40517208660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474000 (or 473998 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 40517208660 in words is "forty billion, five hundred seventeen million, two hundred eight thousand, six hundred sixty".