309243662244 has 48 divisors (see below), whose sum is σ = 874628543040. Its totient is φ = 93710200320.

The previous prime is 309243662239. The next prime is 309243662267. The reversal of 309243662244 is 442266342903.

309243662244 is a `hidden beast` number, since 30 + 92 + 436 + 62 + 2 + 44 = 666.

It is a super-2 number, since 2×309243662244² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 309243662244.

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, 130151869 + ... + 130154244.

It is an arithmetic number, because the mean of its divisors is an integer number (18221427980).

Almost surely, 2^309243662244 is an apocalyptic number.

It is an amenable number.

309243662244 is an abundant number, since it is smaller than the sum of its proper divisors (565384880796).

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

309243662244 is a wasteful number, since it uses less digits than its factorization.

309243662244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260306137 (or 260306129 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 309243662244 in words is "three hundred nine billion, two hundred forty-three million, six hundred sixty-two thousand, two hundred forty-four".