478615524 has 12 divisors (see below), whose sum is σ = 1116769584. Its totient is φ = 159538504.

The previous prime is 478615517. The next prime is 478615531. The reversal of 478615524 is 425516874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (478615517) and next prime (478615531).

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

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, 19942302 + ... + 19942325.

It is an arithmetic number, because the mean of its divisors is an integer number (93064132).

Almost surely, 2^478615524 is an apocalyptic number.

It is an amenable number.

478615524 is an abundant number, since it is smaller than the sum of its proper divisors (638154060).

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

478615524 is a wasteful number, since it uses less digits than its factorization.

478615524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39884634 (or 39884632 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 478615524 is about 21877.2832865509. The cubic root of 478615524 is about 782.2200199405.

The spelling of 478615524 in words is "four hundred seventy-eight million, six hundred fifteen thousand, five hundred twenty-four".