501890960 has 20 divisors (see below), whose sum is σ = 1166896668. Its totient is φ = 200756352.

The previous prime is 501890941. The next prime is 501891007. The reversal of 501890960 is 69098105.

It can be written as a sum of positive squares in 2 ways, for example, as 292683664 + 209207296 = 17108^2 + 14464^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3136739 + ... + 3136898.

Almost surely, 2^501890960 is an apocalyptic number.

It is an amenable number.

501890960 is an abundant number, since it is smaller than the sum of its proper divisors (665005708).

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

501890960 is a wasteful number, since it uses less digits than its factorization.

501890960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273650 (or 6273644 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 501890960 is about 22402.9230235699. The cubic root of 501890960 is about 794.6998378994.

The spelling of 501890960 in words is "five hundred one million, eight hundred ninety thousand, nine hundred sixty".