508921040 has 40 divisors (see below), whose sum is σ = 1184709888. Its totient is φ = 203315840.

The previous prime is 508921037. The next prime is 508921169. The reversal of 508921040 is 40129805.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 508920994 and 508921012.

It is a congruent number.

It is an unprimeable number.

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, 69389 + ... + 76371.

Almost surely, 2^508921040 is an apocalyptic number.

It is an amenable number.

508921040 is an abundant number, since it is smaller than the sum of its proper divisors (675788848).

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

508921040 is a wasteful number, since it uses less digits than its factorization.

508921040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907 (or 7901 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 508921040 is about 22559.2783572525. The cubic root of 508921040 is about 798.3931497010.

The spelling of 508921040 in words is "five hundred eight million, nine hundred twenty-one thousand, forty".