320470880 has 48 divisors (see below), whose sum is σ = 783231120. Its totient is φ = 123766272.

The previous prime is 320470867. The next prime is 320470897. The reversal of 320470880 is 88074023.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29894 + ... + 39173.

It is an arithmetic number, because the mean of its divisors is an integer number (16317315).

Almost surely, 2^320470880 is an apocalyptic number.

It is an amenable number.

320470880 is an abundant number, since it is smaller than the sum of its proper divisors (462760240).

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

320470880 is a wasteful number, since it uses less digits than its factorization.

320470880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69111 (or 69103 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 320470880 is about 17901.7004778876. The cubic root of 320470880 is about 684.3257115244.

The spelling of 320470880 in words is "three hundred twenty million, four hundred seventy thousand, eight hundred eighty".