421436512 has 48 divisors (see below), whose sum is σ = 973879200. Its totient is φ = 175730688.

The previous prime is 421436503. The next prime is 421436569. The reversal of 421436512 is 215634124.

It is a super-2 number, since 2×421436512² = 355217467293452288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17137 + ... + 33712.

It is an arithmetic number, because the mean of its divisors is an integer number (20289150).

Almost surely, 2^421436512 is an apocalyptic number.

It is an amenable number.

421436512 is an abundant number, since it is smaller than the sum of its proper divisors (552442688).

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

421436512 is a wasteful number, since it uses less digits than its factorization.

421436512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50903 (or 50895 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 421436512 is about 20528.9189194171. The cubic root of 421436512 is about 749.7400651815.

The spelling of 421436512 in words is "four hundred twenty-one million, four hundred thirty-six thousand, five hundred twelve".