2556124383642 has 32 divisors (see below), whose sum is σ = 5241864862080. Its totient is φ = 830477882880.

The previous prime is 2556124383623. The next prime is 2556124383647. The reversal of 2556124383642 is 2463834216552.

It is not an unprimeable number, because it can be changed into a prime (2556124383647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4625967 + ... + 5148962.

It is an arithmetic number, because the mean of its divisors is an integer number (163808276940).

Almost surely, 2^{2556124383642} is an apocalyptic number.

2556124383642 is an abundant number, since it is smaller than the sum of its proper divisors (2685740478438).

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

2556124383642 is a wasteful number, since it uses less digits than its factorization.

2556124383642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9776038.

The product of its digits is 8294400, while the sum is 51.

The spelling of 2556124383642 in words is "two trillion, five hundred fifty-six billion, one hundred twenty-four million, three hundred eighty-three thousand, six hundred forty-two".