428426016 has 24 divisors (see below), whose sum is σ = 1124618544. Its totient is φ = 142808640.

The previous prime is 428425973. The next prime is 428426051. The reversal of 428426016 is 610624824.

It is a tau number, because it is divible by the number of its divisors (24).

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, 2231290 + ... + 2231481.

It is an arithmetic number, because the mean of its divisors is an integer number (46859106).

Almost surely, 2^428426016 is an apocalyptic number.

It is an amenable number.

428426016 is an abundant number, since it is smaller than the sum of its proper divisors (696192528).

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

428426016 is a wasteful number, since it uses less digits than its factorization.

428426016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462784 (or 4462776 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 428426016 is about 20698.4544350538. The cubic root of 428426016 is about 753.8621610330.

The spelling of 428426016 in words is "four hundred twenty-eight million, four hundred twenty-six thousand, sixteen".