617712340504 has 48 divisors (see below), whose sum is σ = 1418217125400. Its totient is φ = 250800496128.

The previous prime is 617712340397. The next prime is 617712340507. The reversal of 617712340504 is 405043217716.

It is a super-2 number, since 2×617712340504² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617712340507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41460889 + ... + 41475784.

Almost surely, 2^617712340504 is an apocalyptic number.

It is an amenable number.

617712340504 is an abundant number, since it is smaller than the sum of its proper divisors (800504784896).

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

617712340504 is a wasteful number, since it uses less digits than its factorization.

617712340504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82936712 (or 82936701 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 617712340504 in words is "six hundred seventeen billion, seven hundred twelve million, three hundred forty thousand, five hundred four".