420375244 has 12 divisors (see below), whose sum is σ = 736372000. Its totient is φ = 209983248.

The previous prime is 420375233. The next prime is 420375251. The reversal of 420375244 is 442573024.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46419 + ... + 54730.

Almost surely, 2^420375244 is an apocalyptic number.

It is an amenable number.

420375244 is a deficient number, since it is larger than the sum of its proper divisors (315996756).

420375244 is a wasteful number, since it uses less digits than its factorization.

420375244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102192 (or 102190 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 420375244 is about 20503.0545041464. The cubic root of 420375244 is about 749.1102004636.

The spelling of 420375244 in words is "four hundred twenty million, three hundred seventy-five thousand, two hundred forty-four".