478324920 has 64 divisors (see below), whose sum is σ = 1519391520. Its totient is φ = 120049664.

The previous prime is 478324919. The next prime is 478324939. The reversal of 478324920 is 29423874.

It is a congruent number.

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, 115197 + ... + 119276.

Almost surely, 2^478324920 is an apocalyptic number.

478324920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478324920 is an abundant number, since it is smaller than the sum of its proper divisors (1041066600).

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

478324920 is a wasteful number, since it uses less digits than its factorization.

478324920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234504 (or 234500 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 478324920 is about 21870.6405941847. The cubic root of 478324920 is about 782.0616727371.

The spelling of 478324920 in words is "four hundred seventy-eight million, three hundred twenty-four thousand, nine hundred twenty".