420057512 has 16 divisors (see below), whose sum is σ = 900123360. Its totient is φ = 180024624.

The previous prime is 420057503. The next prime is 420057523. The reversal of 420057512 is 215750024.

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 3 ways as a sum of consecutive naturals, for example, 3750458 + ... + 3750569.

It is an arithmetic number, because the mean of its divisors is an integer number (56257710).

Almost surely, 2^420057512 is an apocalyptic number.

It is an amenable number.

420057512 is an abundant number, since it is smaller than the sum of its proper divisors (480065848).

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

420057512 is a wasteful number, since it uses less digits than its factorization.

420057512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501040 (or 7501036 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 420057512 is about 20495.3046330129. The cubic root of 420057512 is about 748.9214197037.

The spelling of 420057512 in words is "four hundred twenty million, fifty-seven thousand, five hundred twelve".