421575244 has 6 divisors (see below), whose sum is σ = 737756684. Its totient is φ = 210787620.

The previous prime is 421575229. The next prime is 421575247. The reversal of 421575244 is 442575124.

It is not an unprimeable number, because it can be changed into a prime (421575247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52696902 + ... + 52696909.

Almost surely, 2^421575244 is an apocalyptic number.

It is an amenable number.

421575244 is a deficient number, since it is larger than the sum of its proper divisors (316181440).

421575244 is a wasteful number, since it uses less digits than its factorization.

421575244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105393815 (or 105393813 counting only the distinct ones).

The product of its digits is 44800, while the sum is 34.

The square root of 421575244 is about 20532.2975821022. The cubic root of 421575244 is about 749.8223247268.

The spelling of 421575244 in words is "four hundred twenty-one million, five hundred seventy-five thousand, two hundred forty-four".