509009932446 has 16 divisors (see below), whose sum is σ = 1027359498000. Its totient is φ = 168113371968.

The previous prime is 509009932433. The next prime is 509009932463. The reversal of 509009932446 is 644239900905.

509009932446 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×509009932446² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389150671 + ... + 389151978.

It is an arithmetic number, because the mean of its divisors is an integer number (64209968625).

Almost surely, 2^509009932446 is an apocalyptic number.

509009932446 is an abundant number, since it is smaller than the sum of its proper divisors (518349565554).

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

509009932446 is a wasteful number, since it uses less digits than its factorization.

509009932446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778302763.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 509009932446 in words is "five hundred nine billion, nine million, nine hundred thirty-two thousand, four hundred forty-six".