308907052272 has 200 divisors, whose sum is σ = 1100390119136. Its totient is φ = 81469960704.

The previous prime is 308907052261. The next prime is 308907052277. The reversal of 308907052272 is 272250709803.

308907052272 is a `hidden beast` number, since 30 + 8 + 90 + 7 + 0 + 522 + 7 + 2 = 666.

It is a super-2 number, since 2×308907052272² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308907052277) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1191703 + ... + 1427574.

Almost surely, 2^308907052272 is an apocalyptic number.

It is an amenable number.

308907052272 is an abundant number, since it is smaller than the sum of its proper divisors (791483066864).

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

308907052272 is a wasteful number, since it uses less digits than its factorization.

308907052272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619317 (or 2619302 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 308907052272 in words is "three hundred eight billion, nine hundred seven million, fifty-two thousand, two hundred seventy-two".