420244442424 has 48 divisors (see below), whose sum is σ = 1164630924600. Its totient is φ = 136823770944.

The previous prime is 420244442413. The next prime is 420244442441. The reversal of 420244442424 is 424244442024.

420244442424 is a `hidden beast` number, since 4 + 202 + 4 + 4 + 4 + 424 + 24 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67865839 + ... + 67872030.

Almost surely, 2^420244442424 is an apocalyptic number.

It is an amenable number.

420244442424 is an abundant number, since it is smaller than the sum of its proper divisors (744386482176).

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

420244442424 is a wasteful number, since it uses less digits than its factorization.

420244442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135737924 (or 135737917 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 420244442424 its reverse (424244442024), we get a palindrome (844488884448).

The spelling of 420244442424 in words is "four hundred twenty billion, two hundred forty-four million, four hundred forty-two thousand, four hundred twenty-four".