425881244556 has 48 divisors (see below), whose sum is σ = 1117439433600. Its totient is φ = 140250045456.

The previous prime is 425881244549. The next prime is 425881244597. The reversal of 425881244556 is 655442188524.

425881244556 is a `hidden beast` number, since 4 + 2 + 5 + 8 + 81 + 2 + 4 + 4 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 23746126 + ... + 23764053.

It is an arithmetic number, because the mean of its divisors is an integer number (23279988200).

Almost surely, 2^425881244556 is an apocalyptic number.

It is an amenable number.

425881244556 is an abundant number, since it is smaller than the sum of its proper divisors (691558189044).

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

425881244556 is a wasteful number, since it uses less digits than its factorization.

425881244556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47510275 (or 47510267 counting only the distinct ones).

The product of its digits is 12288000, while the sum is 54.

The spelling of 425881244556 in words is "four hundred twenty-five billion, eight hundred eighty-one million, two hundred forty-four thousand, five hundred fifty-six".