6398295720 has 64 divisors (see below), whose sum is σ = 19211022720. Its totient is φ = 1704777984.

The previous prime is 6398295719. The next prime is 6398295731. The reversal of 6398295720 is 275928936.

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, 124962 + ... + 168558.

It is an arithmetic number, because the mean of its divisors is an integer number (300172230).

Almost surely, 2^6398295720 is an apocalyptic number.

6398295720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6398295720 is an abundant number, since it is smaller than the sum of its proper divisors (12812727000).

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

6398295720 is a wasteful number, since it uses less digits than its factorization.

6398295720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44834 (or 44830 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 6398295720 is about 79989.3475407820. The cubic root of 6398295720 is about 1856.4707153347.

The spelling of 6398295720 in words is "six billion, three hundred ninety-eight million, two hundred ninety-five thousand, seven hundred twenty".