509114207640 has 64 divisors (see below), whose sum is σ = 1531669500000. Its totient is φ = 135379177472.

The previous prime is 509114207633. The next prime is 509114207669. The reversal of 509114207640 is 46702411905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5967015 + ... + 6051734.

Almost surely, 2^509114207640 is an apocalyptic number.

It is an amenable number.

509114207640 is an abundant number, since it is smaller than the sum of its proper divisors (1022555292360).

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

509114207640 is a wasteful number, since it uses less digits than its factorization.

509114207640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12019116 (or 12019112 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 509114207640 in words is "five hundred nine billion, one hundred fourteen million, two hundred seven thousand, six hundred forty".