420725244 has 48 divisors (see below), whose sum is σ = 1017336320. Its totient is φ = 135233280.

The previous prime is 420725213. The next prime is 420725251. The reversal of 420725244 is 442527024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35604 + ... + 45924.

Almost surely, 2^420725244 is an apocalyptic number.

It is an amenable number.

420725244 is an abundant number, since it is smaller than the sum of its proper divisors (596611076).

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

420725244 is a wasteful number, since it uses less digits than its factorization.

420725244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450 (or 10448 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 420725244 is about 20511.5880418850. The cubic root of 420725244 is about 749.3180432123.

The spelling of 420725244 in words is "four hundred twenty million, seven hundred twenty-five thousand, two hundred forty-four".