428311045056 has 28 divisors (see below), whose sum is σ = 1133239640552. Its totient is φ = 142770348288.

The previous prime is 428311045033. The next prime is 428311045111. The reversal of 428311045056 is 650540113824.

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, 1115393155 + ... + 1115393538.

Almost surely, 2^428311045056 is an apocalyptic number.

It is an amenable number.

428311045056 is an abundant number, since it is smaller than the sum of its proper divisors (704928595496).

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

428311045056 is a wasteful number, since it uses less digits than its factorization.

428311045056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230786708 (or 2230786698 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 428311045056 in words is "four hundred twenty-eight billion, three hundred eleven million, forty-five thousand, fifty-six".