428445262 has 16 divisors (see below), whose sum is σ = 737556480. Its totient is φ = 182849688.

The previous prime is 428445239. The next prime is 428445301. The reversal of 428445262 is 262544824.

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, 60678 + ... + 67369.

It is an arithmetic number, because the mean of its divisors is an integer number (46097280).

Almost surely, 2^428445262 is an apocalyptic number.

428445262 is a deficient number, since it is larger than the sum of its proper divisors (309111218).

428445262 is a wasteful number, since it uses less digits than its factorization.

428445262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128295.

The product of its digits is 122880, while the sum is 37.

The square root of 428445262 is about 20698.9193437725. The cubic root of 428445262 is about 753.8734493406.

The spelling of 428445262 in words is "four hundred twenty-eight million, four hundred forty-five thousand, two hundred sixty-two".