309087073936 has 45 divisors (see below), whose sum is σ = 626129097699. Its totient is φ = 147799790688.

The previous prime is 309087073873. The next prime is 309087073943. The reversal of 309087073936 is 639370780903.

The square root of 309087073936 is 555956.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51144931 + ... + 51150973.

Almost surely, 2^309087073936 is an apocalyptic number.

309087073936 is the 555956-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 309087073936

309087073936 is an abundant number, since it is smaller than the sum of its proper divisors (317042023763).

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

309087073936 is an frugal number, since it uses more digits than its factorization.

309087073936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12140 (or 6068 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 55.

The spelling of 309087073936 in words is "three hundred nine billion, eighty-seven million, seventy-three thousand, nine hundred thirty-six".