309469600272 has 60 divisors (see below), whose sum is σ = 929987734416. Its totient is φ = 88419885120.

The previous prime is 309469600241. The next prime is 309469600309. The reversal of 309469600272 is 272006964903.

It is a super-2 number, since 2×309469600272² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65786254 + ... + 65790957.

Almost surely, 2^309469600272 is an apocalyptic number.

It is an amenable number.

309469600272 is an abundant number, since it is smaller than the sum of its proper divisors (620518134144).

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

309469600272 is a wasteful number, since it uses less digits than its factorization.

309469600272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131577236 (or 131577223 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 309469600272 in words is "three hundred nine billion, four hundred sixty-nine million, six hundred thousand, two hundred seventy-two".