502620428 has 12 divisors (see below), whose sum is σ = 885189312. Its totient is φ = 249709200.

The previous prime is 502620413. The next prime is 502620439. The reversal of 502620428 is 824026205.

It is a self number, because there is not a number n which added to its sum of digits gives 502620428.

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, 399548 + ... + 400803.

It is an arithmetic number, because the mean of its divisors is an integer number (73765776).

Almost surely, 2^502620428 is an apocalyptic number.

It is an amenable number.

502620428 is a deficient number, since it is larger than the sum of its proper divisors (382568884).

502620428 is a wasteful number, since it uses less digits than its factorization.

502620428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800512 (or 800510 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 502620428 is about 22419.1977554952. The cubic root of 502620428 is about 795.0846674854.

The spelling of 502620428 in words is "five hundred two million, six hundred twenty thousand, four hundred twenty-eight".