421163712 has 252 divisors, whose sum is σ = 1349791560. Its totient is φ = 129890304.

The previous prime is 421163689. The next prime is 421163803. The reversal of 421163712 is 217361124.

421163712 is a `hidden beast` number, since 4 + 2 + 11 + 637 + 12 = 666.

It is a hoax number, since the sum of its digits (27) 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 (27).

Its product of digits (2016) is a multiple of the sum of its prime factors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7138339 + ... + 7138397.

Almost surely, 2^421163712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421163712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674895780).

421163712 is an abundant number, since it is smaller than the sum of its proper divisors (928627848).

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

421163712 is an frugal number, since it uses more digits than its factorization.

421163712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 81 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 421163712 is about 20522.2735582586. The cubic root of 421163712 is about 749.5782588904.

It can be divided in two parts, 421163 and 712, that added together give a cube (421875 = 75³).

The spelling of 421163712 in words is "four hundred twenty-one million, one hundred sixty-three thousand, seven hundred twelve".