478577532 has 12 divisors (see below), whose sum is σ = 1116680936. Its totient is φ = 159525840.

The previous prime is 478577527. The next prime is 478577549. The reversal of 478577532 is 235775874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×478577532² = 458072908270422048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19940719 + ... + 19940742.

Almost surely, 2^478577532 is an apocalyptic number.

It is an amenable number.

478577532 is an abundant number, since it is smaller than the sum of its proper divisors (638103404).

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

478577532 is a wasteful number, since it uses less digits than its factorization.

478577532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39881468 (or 39881466 counting only the distinct ones).

The product of its digits is 1646400, while the sum is 48.

The square root of 478577532 is about 21876.4149713796. The cubic root of 478577532 is about 782.1993221237.

The spelling of 478577532 in words is "four hundred seventy-eight million, five hundred seventy-seven thousand, five hundred thirty-two".