421253114432 has 28 divisors (see below), whose sum is σ = 840255386796. Its totient is φ = 209535221760.

The previous prime is 421253114419. The next prime is 421253114453. The reversal of 421253114432 is 234411352124.

It can be written as a sum of positive squares in 2 ways, for example, as 209895924736 + 211357189696 = 458144^2 + 459736^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17039669 + ... + 17064372.

It is an arithmetic number, because the mean of its divisors is an integer number (30009120957).

Almost surely, 2^421253114432 is an apocalyptic number.

It is an amenable number.

421253114432 is a deficient number, since it is larger than the sum of its proper divisors (419002272364).

421253114432 is a wasteful number, since it uses less digits than its factorization.

421253114432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34104246 (or 34104236 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

Adding to 421253114432 its reverse (234411352124), we get a palindrome (655664466556).

The spelling of 421253114432 in words is "four hundred twenty-one billion, two hundred fifty-three million, one hundred fourteen thousand, four hundred thirty-two".