421524425124 has 36 divisors (see below), whose sum is σ = 1162385537040. Its totient is φ = 127734674160.

The previous prime is 421524425081. The next prime is 421524425213.

421524425124 is a `hidden beast` number, since 4 + 2 + 1 + 524 + 4 + 2 + 5 + 124 = 666.

421524425124 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×421524425124² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532227414 + ... + 532228205.

It is an arithmetic number, because the mean of its divisors is an integer number (32288487140).

Almost surely, 2^421524425124 is an apocalyptic number.

421524425124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421524425124 is an abundant number, since it is smaller than the sum of its proper divisors (740861111916).

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

421524425124 is a wasteful number, since it uses less digits than its factorization.

421524425124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064455640 (or 1064455635 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

It can be divided in two parts, 421524 and 425124, that added together give a palindrome (846648).

The spelling of 421524425124 in words is "four hundred twenty-one billion, five hundred twenty-four million, four hundred twenty-five thousand, one hundred twenty-four".