478929544 has 32 divisors (see below), whose sum is σ = 914774040. Its totient is φ = 235008000.

The previous prime is 478929499. The next prime is 478929547. The reversal of 478929544 is 445929874.

It can be written as a sum of positive squares in 4 ways, for example, as 284327044 + 194602500 = 16862^2 + 13950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478929491 and 478929500.

It is not an unprimeable number, because it can be changed into a prime (478929547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298344 + ... + 299944.

Almost surely, 2^478929544 is an apocalyptic number.

It is an amenable number.

478929544 is a deficient number, since it is larger than the sum of its proper divisors (435844496).

478929544 is a wasteful number, since it uses less digits than its factorization.

478929544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281 (or 2277 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 478929544 is about 21884.4589606415. The cubic root of 478929544 is about 782.3910542523.

The spelling of 478929544 in words is "four hundred seventy-eight million, nine hundred twenty-nine thousand, five hundred forty-four".