6490907800 has 48 divisors (see below), whose sum is σ = 16252241040. Its totient is φ = 2396641920.

The previous prime is 6490907791. The next prime is 6490907831. The reversal of 6490907800 is 87090946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245652 + ... + 1250851.

It is an arithmetic number, because the mean of its divisors is an integer number (338588355).

Almost surely, 2^6490907800 is an apocalyptic number.

It is an amenable number.

6490907800 is an abundant number, since it is smaller than the sum of its proper divisors (9761333240).

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

6490907800 is a wasteful number, since it uses less digits than its factorization.

6490907800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496532 (or 2496523 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6490907800 is about 80566.1703198061. The cubic root of 6490907800 is about 1865.3849995928.

The spelling of 6490907800 in words is "six billion, four hundred ninety million, nine hundred seven thousand, eight hundred".