427880256 has 28 divisors (see below), whose sum is σ = 1132100352. Its totient is φ = 142626688.

The previous prime is 427880221. The next prime is 427880269. The reversal of 427880256 is 652088724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114080 + ... + 1114463.

Almost surely, 2^427880256 is an apocalyptic number.

It is an amenable number.

427880256 is an abundant number, since it is smaller than the sum of its proper divisors (704220096).

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

427880256 is a wasteful number, since it uses less digits than its factorization.

427880256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228558 (or 2228548 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 427880256 is about 20685.2666407760. The cubic root of 427880256 is about 753.5419169897.

The spelling of 427880256 in words is "four hundred twenty-seven million, eight hundred eighty thousand, two hundred fifty-six".