2556047300 has 18 divisors (see below), whose sum is σ = 5546622858. Its totient is φ = 1022418880.

The previous prime is 2556047261. The next prime is 2556047303. The reversal of 2556047300 is 37406552.

It can be written as a sum of positive squares in 3 ways, for example, as 1149184 + 2554898116 = 1072^2 + 50546^2 .

It is not an unprimeable number, because it can be changed into a prime (2556047303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12780137 + ... + 12780336.

Almost surely, 2^2556047300 is an apocalyptic number.

2556047300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2556047300 is an abundant number, since it is smaller than the sum of its proper divisors (2990575558).

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

2556047300 is a wasteful number, since it uses less digits than its factorization.

2556047300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25560487 (or 25560480 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2556047300 is about 50557.3664266643. The cubic root of 2556047300 is about 1367.2763298822.

The spelling of 2556047300 in words is "two billion, five hundred fifty-six million, forty-seven thousand, three hundred".