420050256 has 40 divisors (see below), whose sum is σ = 1090834944. Its totient is φ = 139280640.

The previous prime is 420050251. The next prime is 420050287. The reversal of 420050256 is 652050024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420050251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13741 + ... + 32076.

Almost surely, 2^420050256 is an apocalyptic number.

It is an amenable number.

420050256 is an abundant number, since it is smaller than the sum of its proper divisors (670784688).

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

420050256 is a wasteful number, since it uses less digits than its factorization.

420050256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46019 (or 46013 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 420050256 is about 20495.1276160945. The cubic root of 420050256 is about 748.9171074330.

The spelling of 420050256 in words is "four hundred twenty million, fifty thousand, two hundred fifty-six".