421534435124 has 96 divisors (see below), whose sum is σ = 847153520640. Its totient is φ = 181761091200.

The previous prime is 421534435099. The next prime is 421534435129.

421534435124 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421534435129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111544667 + ... + 111548445.

It is an arithmetic number, because the mean of its divisors is an integer number (8824515840).

Almost surely, 2^421534435124 is an apocalyptic number.

421534435124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421534435124 is an abundant number, since it is smaller than the sum of its proper divisors (425619085516).

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

421534435124 is a wasteful number, since it uses less digits than its factorization.

421534435124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5419 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 421534 and 435124, that added together give a palindrome (856658).

The spelling of 421534435124 in words is "four hundred twenty-one billion, five hundred thirty-four million, four hundred thirty-five thousand, one hundred twenty-four".