421368512 has 28 divisors (see below), whose sum is σ = 837407520. Its totient is φ = 210368256.

The previous prime is 421368503. The next prime is 421368527. The reversal of 421368512 is 215863124.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41438 + ... + 50594.

Almost surely, 2^421368512 is an apocalyptic number.

It is an amenable number.

421368512 is a deficient number, since it is larger than the sum of its proper divisors (416039008).

421368512 is an equidigital number, since it uses as much as digits as its factorization.

421368512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9888 (or 9878 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 421368512 is about 20527.2626523850. The cubic root of 421368512 is about 749.6997387699.

The spelling of 421368512 in words is "four hundred twenty-one million, three hundred sixty-eight thousand, five hundred twelve".