320428466460 has 96 divisors (see below), whose sum is σ = 996974899200. Its totient is φ = 85440191040.

The previous prime is 320428466453. The next prime is 320428466473. The reversal of 320428466460 is 64664824023.

320428466460 is a `hidden beast` number, since 320 + 4 + 284 + 6 + 6 + 46 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9443325 + ... + 9477195.

It is an arithmetic number, because the mean of its divisors is an integer number (10385155200).

Almost surely, 2^320428466460 is an apocalyptic number.

320428466460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320428466460 is an abundant number, since it is smaller than the sum of its proper divisors (676546432740).

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

320428466460 is a wasteful number, since it uses less digits than its factorization.

320428466460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51408 (or 51400 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 320428466460 in words is "three hundred twenty billion, four hundred twenty-eight million, four hundred sixty-six thousand, four hundred sixty".