2576994688 has 32 divisors (see below), whose sum is σ = 5136167160. Its totient is φ = 1287917568.

The previous prime is 2576994653. The next prime is 2576994713. The reversal of 2576994688 is 8864996752.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497520 + ... + 502672.

Almost surely, 2^2576994688 is an apocalyptic number.

It is an amenable number.

2576994688 is a deficient number, since it is larger than the sum of its proper divisors (2559172472).

2576994688 is an equidigital number, since it uses as much as digits as its factorization.

2576994688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074 (or 9062 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

The square root of 2576994688 is about 50764.1082655847. The cubic root of 2576994688 is about 1371.0012195580.

The spelling of 2576994688 in words is "two billion, five hundred seventy-six million, nine hundred ninety-four thousand, six hundred eighty-eight".