504039478 has 16 divisors (see below), whose sum is σ = 793681920. Its totient is φ = 239754600.

The previous prime is 504039469. The next prime is 504039491. The reversal of 504039478 is 874930405.

It is a self number, because there is not a number n which added to its sum of digits gives 504039478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65238 + ... + 72553.

It is an arithmetic number, because the mean of its divisors is an integer number (49605120).

Almost surely, 2^504039478 is an apocalyptic number.

504039478 is a deficient number, since it is larger than the sum of its proper divisors (289642442).

504039478 is a wasteful number, since it uses less digits than its factorization.

504039478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137883.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 504039478 is about 22450.8235483690. The cubic root of 504039478 is about 795.8322195051.

The spelling of 504039478 in words is "five hundred four million, thirty-nine thousand, four hundred seventy-eight".