507928140 has 72 divisors (see below), whose sum is σ = 1621816560. Its totient is φ = 128317824.

The previous prime is 507928133. The next prime is 507928177. The reversal of 507928140 is 41829705.

507928140 is a `hidden beast` number, since 507 + 9 + 2 + 8 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 507928095 and 507928104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70839 + ... + 77678.

It is an arithmetic number, because the mean of its divisors is an integer number (22525230).

Almost surely, 2^507928140 is an apocalyptic number.

It is an amenable number.

507928140 is an abundant number, since it is smaller than the sum of its proper divisors (1113888420).

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

507928140 is a wasteful number, since it uses less digits than its factorization.

507928140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148551 (or 148546 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 507928140 is about 22537.2611468208. The cubic root of 507928140 is about 797.8735925804.

The spelling of 507928140 in words is "five hundred seven million, nine hundred twenty-eight thousand, one hundred forty".