428888844264 has 32 divisors (see below), whose sum is σ = 1074328668000. Its totient is φ = 142682073792.

The previous prime is 428888844227. The next prime is 428888844271. The reversal of 428888844264 is 462448888824.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 428888844195 and 428888844204.

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, 17542174 + ... + 17566605.

It is an arithmetic number, because the mean of its divisors is an integer number (33572770875).

Almost surely, 2^428888844264 is an apocalyptic number.

It is an amenable number.

428888844264 is an abundant number, since it is smaller than the sum of its proper divisors (645439823736).

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

428888844264 is a wasteful number, since it uses less digits than its factorization.

428888844264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109297 (or 35109293 counting only the distinct ones).

The product of its digits is 201326592, while the sum is 66.

The spelling of 428888844264 in words is "four hundred twenty-eight billion, eight hundred eighty-eight million, eight hundred forty-four thousand, two hundred sixty-four".