2556436030 has 16 divisors (see below), whose sum is σ = 4872266640. Its totient is φ = 962422912.

The previous prime is 2556436019. The next prime is 2556436033. The reversal of 2556436030 is 306346552.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556436033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7518760 + ... + 7519099.

It is an arithmetic number, because the mean of its divisors is an integer number (304516665).

Almost surely, 2^2556436030 is an apocalyptic number.

2556436030 is a deficient number, since it is larger than the sum of its proper divisors (2315830610).

2556436030 is a wasteful number, since it uses less digits than its factorization.

2556436030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037883.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 2556436030 is about 50561.2107252190. The cubic root of 2556436030 is about 1367.3456392916.

The spelling of 2556436030 in words is "two billion, five hundred fifty-six million, four hundred thirty-six thousand, thirty".