420563472 has 120 divisors (see below), whose sum is σ = 1272748896. Its totient is φ = 119314944.

The previous prime is 420563467. The next prime is 420563501. The reversal of 420563472 is 274365024.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382828 + ... + 383924.

Almost surely, 2^420563472 is an apocalyptic number.

420563472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420563472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636374448).

420563472 is an abundant number, since it is smaller than the sum of its proper divisors (852185424).

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

420563472 is a wasteful number, since it uses less digits than its factorization.

420563472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 420563472 is about 20507.6442333097. The cubic root of 420563472 is about 749.2219914382.

The spelling of 420563472 in words is "four hundred twenty million, five hundred sixty-three thousand, four hundred seventy-two".