420750456 has 48 divisors (see below), whose sum is σ = 1223614440. Its totient is φ = 120214080.

The previous prime is 420750413. The next prime is 420750457. The reversal of 420750456 is 654057024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420750457) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 177715 + ... + 180066.

Almost surely, 2^420750456 is an apocalyptic number.

It is an amenable number.

420750456 is an abundant number, since it is smaller than the sum of its proper divisors (802863984).

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

420750456 is a wasteful number, since it uses less digits than its factorization.

420750456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357804 (or 357793 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 420750456 is about 20512.2026121038. The cubic root of 420750456 is about 749.3330105649. Note that the first 3 decimals are identical.

The spelling of 420750456 in words is "four hundred twenty million, seven hundred fifty thousand, four hundred fifty-six".