478672180 has 36 divisors (see below), whose sum is σ = 1169330148. Its totient is φ = 164115840.

The previous prime is 478672177. The next prime is 478672189. The reversal of 478672180 is 81276874.

It can be written as a sum of positive squares in 2 ways, for example, as 134050084 + 344622096 = 11578^2 + 18564^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478672189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243241 + ... + 245200.

It is an arithmetic number, because the mean of its divisors is an integer number (32481393).

Almost surely, 2^478672180 is an apocalyptic number.

It is an amenable number.

478672180 is an abundant number, since it is smaller than the sum of its proper divisors (690657968).

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

478672180 is a wasteful number, since it uses less digits than its factorization.

478672180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488464 (or 488455 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 478672180 is about 21878.5781073634. The cubic root of 478672180 is about 782.2508837597.

The spelling of 478672180 in words is "four hundred seventy-eight million, six hundred seventy-two thousand, one hundred eighty".