6385465320 has 64 divisors (see below), whose sum is σ = 20629969920. Its totient is φ = 1571806464.

The previous prime is 6385465309. The next prime is 6385465357. The reversal of 6385465320 is 235645836.

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, 2045064 + ... + 2048183.

It is an arithmetic number, because the mean of its divisors is an integer number (322343280).

Almost surely, 2^6385465320 is an apocalyptic number.

6385465320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6385465320 is an abundant number, since it is smaller than the sum of its proper divisors (14244504600).

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

6385465320 is a wasteful number, since it uses less digits than its factorization.

6385465320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093274 (or 4093270 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 6385465320 is about 79909.1066149535. The cubic root of 6385465320 is about 1855.2289679418.

The spelling of 6385465320 in words is "six billion, three hundred eighty-five million, four hundred sixty-five thousand, three hundred twenty".