6460515800 has 24 divisors (see below), whose sum is σ = 15020699700. Its totient is φ = 2584206240.

The previous prime is 6460515769. The next prime is 6460515821. The reversal of 6460515800 is 85150646.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16151090 + ... + 16151489.

Almost surely, 2^6460515800 is an apocalyptic number.

It is an amenable number.

6460515800 is an abundant number, since it is smaller than the sum of its proper divisors (8560183900).

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

6460515800 is a wasteful number, since it uses less digits than its factorization.

6460515800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32302595 (or 32302586 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 6460515800 is about 80377.3338696924. Note that the first 3 decimals coincide. The cubic root of 6460515800 is about 1862.4690492282.

The spelling of 6460515800 in words is "six billion, four hundred sixty million, five hundred fifteen thousand, eight hundred".