425652256524 has 144 divisors (see below), whose sum is σ = 1097984160000. Its totient is φ = 128243660160.

The previous prime is 425652256499. The next prime is 425652256559.

425652256524 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283956727 + ... + 283958225.

It is an arithmetic number, because the mean of its divisors is an integer number (7624890000).

Almost surely, 2^425652256524 is an apocalyptic number.

425652256524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425652256524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548992080000).

425652256524 is an abundant number, since it is smaller than the sum of its proper divisors (672331903476).

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

425652256524 is a wasteful number, since it uses less digits than its factorization.

425652256524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 2511 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 48.

The spelling of 425652256524 in words is "four hundred twenty-five billion, six hundred fifty-two million, two hundred fifty-six thousand, five hundred twenty-four".