425844448524 has 192 divisors, whose sum is σ = 1262483228160. Its totient is φ = 122967936000.

The previous prime is 425844448489. The next prime is 425844448573.

425844448524 is a `hidden beast` number, since 4 + 2 + 584 + 4 + 4 + 4 + 8 + 52 + 4 = 666.

425844448524 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1992784 + ... + 2196104.

It is an arithmetic number, because the mean of its divisors is an integer number (6575433480).

Almost surely, 2^425844448524 is an apocalyptic number.

425844448524 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 425844448524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631241614080).

425844448524 is an abundant number, since it is smaller than the sum of its proper divisors (836638779636).

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

425844448524 is a wasteful number, since it uses less digits than its factorization.

425844448524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203429 (or 203421 counting only the distinct ones).

The product of its digits is 26214400, while the sum is 54.

The spelling of 425844448524 in words is "four hundred twenty-five billion, eight hundred forty-four million, four hundred forty-eight thousand, five hundred twenty-four".