421153244 has 12 divisors (see below), whose sum is σ = 738771768. Its totient is φ = 210075600.

The previous prime is 421153231. The next prime is 421153247. The reversal of 421153244 is 442351124.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421153247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123362 + ... + 126729.

It is an arithmetic number, because the mean of its divisors is an integer number (61564314).

Almost surely, 2^421153244 is an apocalyptic number.

It is an amenable number.

421153244 is a deficient number, since it is larger than the sum of its proper divisors (317618524).

421153244 is a wasteful number, since it uses less digits than its factorization.

421153244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250516 (or 250514 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 421153244 is about 20522.0185167054. The cubic root of 421153244 is about 749.5720485973.

The spelling of 421153244 in words is "four hundred twenty-one million, one hundred fifty-three thousand, two hundred forty-four".