428064564318 has 16 divisors (see below), whose sum is σ = 858513893760. Its totient is φ = 142290727256.

The previous prime is 428064564269. The next prime is 428064564337. The reversal of 428064564318 is 813465460824.

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, 99362880 + ... + 99367187.

It is an arithmetic number, because the mean of its divisors is an integer number (53657118360).

Almost surely, 2^428064564318 is an apocalyptic number.

428064564318 is an abundant number, since it is smaller than the sum of its proper divisors (430449329442).

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

428064564318 is a wasteful number, since it uses less digits than its factorization.

428064564318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198730431.

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 428064564318 in words is "four hundred twenty-eight billion, sixty-four million, five hundred sixty-four thousand, three hundred eighteen".