309080345664 has 56 divisors (see below), whose sum is σ = 823263580800. Its totient is φ = 102335317504.

The previous prime is 309080345663. The next prime is 309080345683. The reversal of 309080345664 is 466543080903.

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

It is not an unprimeable number, because it can be changed into a prime (309080345663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5373384 + ... + 5430599.

Almost surely, 2^309080345664 is an apocalyptic number.

It is an amenable number.

309080345664 is an abundant number, since it is smaller than the sum of its proper divisors (514183235136).

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

309080345664 is a wasteful number, since it uses less digits than its factorization.

309080345664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804147 (or 10804137 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 309080345664 in words is "three hundred nine billion, eighty million, three hundred forty-five thousand, six hundred sixty-four".