420009792 has 56 divisors (see below), whose sum is σ = 1141329696. Its totient is φ = 136217088.

The previous prime is 420009679. The next prime is 420009817. The reversal of 420009792 is 297900024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22458 + ... + 36665.

Almost surely, 2^420009792 is an apocalyptic number.

It is an amenable number.

420009792 is an abundant number, since it is smaller than the sum of its proper divisors (721319904).

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

420009792 is a wasteful number, since it uses less digits than its factorization.

420009792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59175 (or 59165 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 420009792 is about 20494.1404308646. The cubic root of 420009792 is about 748.8930586003.

The spelling of 420009792 in words is "four hundred twenty million, nine thousand, seven hundred ninety-two".