2556122496 has 32 divisors (see below), whose sum is σ = 6789701400. Its totient is φ = 852040704.

The previous prime is 2556122461. The next prime is 2556122509. The reversal of 2556122496 is 6942216552.

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

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, 3327901 + ... + 3328668.

Almost surely, 2^2556122496 is an apocalyptic number.

It is an amenable number.

2556122496 is an abundant number, since it is smaller than the sum of its proper divisors (4233578904).

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

2556122496 is an equidigital number, since it uses as much as digits as its factorization.

2556122496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656586 (or 6656574 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 2556122496 is about 50558.1100912603. The cubic root of 2556122496 is about 1367.2897376548.

The spelling of 2556122496 in words is "two billion, five hundred fifty-six million, one hundred twenty-two thousand, four hundred ninety-six".