2804961312 has 60 divisors (see below), whose sum is σ = 8249320926. Its totient is φ = 934986240.

The previous prime is 2804961311. The next prime is 2804961329. The reversal of 2804961312 is 2131694082.

2804961312 is a `hidden beast` number, since 28 + 0 + 4 + 9 + 613 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2507605776 + 297355536 = 50076^2 + 17244^2 .

It is a super-2 number, since 2×2804961312² = 15735615923633522688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2804961311) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 538489 + ... + 543672.

Almost surely, 2^2804961312 is an apocalyptic number.

It is an amenable number.

2804961312 is an abundant number, since it is smaller than the sum of its proper divisors (5444359614).

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

2804961312 is a wasteful number, since it uses less digits than its factorization.

2804961312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082183 (or 1082166 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2804961312 is about 52961.8854649266. The cubic root of 2804961312 is about 1410.2917277770.

The spelling of 2804961312 in words is "two billion, eight hundred four million, nine hundred sixty-one thousand, three hundred twelve".