478188560 has 20 divisors (see below), whose sum is σ = 1111788588. Its totient is φ = 191275392.

The previous prime is 478188553. The next prime is 478188583. The reversal of 478188560 is 65881874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59413264 + 418775296 = 7708^2 + 20464^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 2988599 + ... + 2988758.

Almost surely, 2^478188560 is an apocalyptic number.

478188560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478188560 is an abundant number, since it is smaller than the sum of its proper divisors (633600028).

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

478188560 is a wasteful number, since it uses less digits than its factorization.

478188560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977370 (or 5977364 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 478188560 is about 21867.5229507139. The cubic root of 478188560 is about 781.9873494333.

The spelling of 478188560 in words is "four hundred seventy-eight million, one hundred eighty-eight thousand, five hundred sixty".