309944540596 has 12 divisors (see below), whose sum is σ = 555016968352. Its totient is φ = 151368263928.

The previous prime is 309944540539. The next prime is 309944540599. The reversal of 309944540596 is 695045449903.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 309944540596.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309944540599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901001400 + ... + 901001743.

Almost surely, 2^309944540596 is an apocalyptic number.

It is an amenable number.

309944540596 is a deficient number, since it is larger than the sum of its proper divisors (245072427756).

309944540596 is a wasteful number, since it uses less digits than its factorization.

309944540596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802003190 (or 1802003188 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 58.

The spelling of 309944540596 in words is "three hundred nine billion, nine hundred forty-four million, five hundred forty thousand, five hundred ninety-six".