420326256 has 40 divisors (see below), whose sum is σ = 1240964224. Its totient is φ = 120093120.

The previous prime is 420326239. The next prime is 420326267. The reversal of 420326256 is 652623024.

It is a super-2 number, since 2×420326256² = 353348322965955072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625150 + ... + 625821.

Almost surely, 2^420326256 is an apocalyptic number.

It is an amenable number.

420326256 is an abundant number, since it is smaller than the sum of its proper divisors (820637968).

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

420326256 is a wasteful number, since it uses less digits than its factorization.

420326256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250989 (or 1250983 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 420326256 is about 20501.8598180750. The cubic root of 420326256 is about 749.0811004023.

The spelling of 420326256 in words is "four hundred twenty million, three hundred twenty-six thousand, two hundred fifty-six".