425002520124 has 144 divisors (see below), whose sum is σ = 1322540786112. Its totient is φ = 112062237696.

The previous prime is 425002520123. The next prime is 425002520141. The reversal of 425002520124 is 421025200524.

It is a super-3 number, since 3×425002520124³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425002520123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16737502 + ... + 16762874.

Almost surely, 2^425002520124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425002520124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661270393056).

425002520124 is an abundant number, since it is smaller than the sum of its proper divisors (897538265988).

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

425002520124 is a wasteful number, since it uses less digits than its factorization.

425002520124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30516 (or 30511 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 425002520124 its reverse (421025200524), we get a palindrome (846027720648).

The spelling of 425002520124 in words is "four hundred twenty-five billion, two million, five hundred twenty thousand, one hundred twenty-four".