320053680 has 100 divisors (see below), whose sum is σ = 1111616352. Its totient is φ = 85345920.

The previous prime is 320053631. The next prime is 320053709. The reversal of 320053680 is 86350023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18216 + ... + 31175.

Almost surely, 2^320053680 is an apocalyptic number.

320053680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320053680 is an abundant number, since it is smaller than the sum of its proper divisors (791562672).

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

320053680 is a wasteful number, since it uses less digits than its factorization.

320053680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49416 (or 49401 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 320053680 is about 17890.0441586934. The cubic root of 320053680 is about 684.0286229943.

The spelling of 320053680 in words is "three hundred twenty million, fifty-three thousand, six hundred eighty".