309140274604 has 18 divisors (see below), whose sum is σ = 629321273700. Its totient is φ = 132488689032.

The previous prime is 309140274581. The next prime is 309140274679. The reversal of 309140274604 is 406472041903.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788622954 + ... + 788623345.

Almost surely, 2^309140274604 is an apocalyptic number.

It is an amenable number.

309140274604 is an abundant number, since it is smaller than the sum of its proper divisors (320180999096).

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

309140274604 is a wasteful number, since it uses less digits than its factorization.

309140274604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577246317 (or 1577246308 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 309140274604 in words is "three hundred nine billion, one hundred forty million, two hundred seventy-four thousand, six hundred four".