2556444141 has 12 divisors (see below), whose sum is σ = 3708095040. Its totient is φ = 1697163720.

The previous prime is 2556444133. The next prime is 2556444157. The reversal of 2556444141 is 1414446552.

2556444141 is a `hidden beast` number, since 2 + 5 + 5 + 644 + 4 + 1 + 4 + 1 = 666.

2556444141 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556444141 - 2³ = 2556444133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2556444096 and 2556444105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556444101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592095 + ... + 596396.

It is an arithmetic number, because the mean of its divisors is an integer number (309007920).

Almost surely, 2^2556444141 is an apocalyptic number.

It is an amenable number.

2556444141 is a deficient number, since it is larger than the sum of its proper divisors (1151650899).

2556444141 is a wasteful number, since it uses less digits than its factorization.

2556444141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188736 (or 1188733 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 2556444141 is about 50561.2909348644. The cubic root of 2556444141 is about 1367.3470853841.

The spelling of 2556444141 in words is "two billion, five hundred fifty-six million, four hundred forty-four thousand, one hundred forty-one".