2555582816 has 12 divisors (see below), whose sum is σ = 5031303732. Its totient is φ = 1277791392.

The previous prime is 2555582807. The next prime is 2555582819. The reversal of 2555582816 is 6182855552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555582819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39930950 + ... + 39931013.

It is an arithmetic number, because the mean of its divisors is an integer number (419275311).

Almost surely, 2^2555582816 is an apocalyptic number.

It is an amenable number.

2555582816 is a deficient number, since it is larger than the sum of its proper divisors (2475720916).

2555582816 is an equidigital number, since it uses as much as digits as its factorization.

2555582816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79861973 (or 79861965 counting only the distinct ones).

The product of its digits is 960000, while the sum is 47.

The square root of 2555582816 is about 50552.7725846961. The cubic root of 2555582816 is about 1367.1935045434.

The spelling of 2555582816 in words is "two billion, five hundred fifty-five million, five hundred eighty-two thousand, eight hundred sixteen".