425874478524 has 96 divisors (see below), whose sum is σ = 1125483448320. Its totient is φ = 124167763200.

The previous prime is 425874478511. The next prime is 425874478531.

425874478524 is nontrivially palindromic in base 10.

It is a congruent number.

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, 407122 + ... + 1008710.

It is an arithmetic number, because the mean of its divisors is an integer number (11723785920).

Almost surely, 2^425874478524 is an apocalyptic number.

425874478524 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 425874478524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562741724160).

425874478524 is an abundant number, since it is smaller than the sum of its proper divisors (699608969796).

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

425874478524 is a wasteful number, since it uses less digits than its factorization.

425874478524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601811 (or 601809 counting only the distinct ones).

The product of its digits is 80281600, while the sum is 60.

The spelling of 425874478524 in words is "four hundred twenty-five billion, eight hundred seventy-four million, four hundred seventy-eight thousand, five hundred twenty-four".