421361152 has 20 divisors (see below), whose sum is σ = 841900356. Its totient is φ = 210680320.

The previous prime is 421361147. The next prime is 421361179. The reversal of 421361152 is 251163124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410974 + ... + 411997.

Almost surely, 2^421361152 is an apocalyptic number.

It is an amenable number.

421361152 is a deficient number, since it is larger than the sum of its proper divisors (420539204).

421361152 is an frugal number, since it uses more digits than its factorization.

421361152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822989 (or 822973 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 421361152 is about 20527.0833778206. The cubic root of 421361152 is about 749.6953737687.

The spelling of 421361152 in words is "four hundred twenty-one million, three hundred sixty-one thousand, one hundred fifty-two".