2909323264 has 120 divisors (see below), whose sum is σ = 6143419296. Its totient is φ = 1376256000.

The previous prime is 2909323211. The next prime is 2909323279. The reversal of 2909323264 is 4623239092.

It is a super-2 number, since 2×2909323264² = 16928323708903227392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40976349 + ... + 40976419.

Almost surely, 2^2909323264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2909323264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3071709648).

2909323264 is an abundant number, since it is smaller than the sum of its proper divisors (3234096032).

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

2909323264 is an frugal number, since it uses more digits than its factorization.

2909323264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 2909323264 is about 53938.1429417068. The cubic root of 2909323264 is about 1427.5697165996.

The spelling of 2909323264 in words is "two billion, nine hundred nine million, three hundred twenty-three thousand, two hundred sixty-four".