509021525472 has 24 divisors (see below), whose sum is σ = 1336181504616. Its totient is φ = 169673841792.

The previous prime is 509021525461. The next prime is 509021525591. The reversal of 509021525472 is 274525120905.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2651153683 + ... + 2651153874.

It is an arithmetic number, because the mean of its divisors is an integer number (55674229359).

Almost surely, 2^509021525472 is an apocalyptic number.

It is an amenable number.

509021525472 is an abundant number, since it is smaller than the sum of its proper divisors (827159979144).

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

509021525472 is a wasteful number, since it uses less digits than its factorization.

509021525472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302307570 (or 5302307562 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 509021525472 in words is "five hundred nine billion, twenty-one million, five hundred twenty-five thousand, four hundred seventy-two".