426325523624 has 128 divisors (see below), whose sum is σ = 1083115756800. Its totient is φ = 151916912640.

The previous prime is 426325523597. The next prime is 426325523651.

It is a happy number.

426325523624 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (426325523597) and next prime (426325523651).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628664 + ... + 1117080.

It is an arithmetic number, because the mean of its divisors is an integer number (8461841850).

Almost surely, 2^426325523624 is an apocalyptic number.

426325523624 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 426325523624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541557878400).

426325523624 is an abundant number, since it is smaller than the sum of its proper divisors (656790233176).

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

426325523624 is a wasteful number, since it uses less digits than its factorization.

426325523624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488563 (or 488559 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

It can be divided in two parts, 426325 and 523624, that added together give a palindrome (949949).

The spelling of 426325523624 in words is "four hundred twenty-six billion, three hundred twenty-five million, five hundred twenty-three thousand, six hundred twenty-four".