428572328652 has 36 divisors (see below), whose sum is σ = 1166669118160. Its totient is φ = 131868408672.

The previous prime is 428572328627. The next prime is 428572328819. The reversal of 428572328652 is 256823275824.

428572328652 is a `hidden beast` number, since 4 + 2 + 8 + 572 + 3 + 2 + 8 + 65 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457875952 + ... + 457876887.

Almost surely, 2^428572328652 is an apocalyptic number.

It is an amenable number.

428572328652 is an abundant number, since it is smaller than the sum of its proper divisors (738096789508).

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

428572328652 is a wasteful number, since it uses less digits than its factorization.

428572328652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915752862 (or 915752857 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 428572328652 in words is "four hundred twenty-eight billion, five hundred seventy-two million, three hundred twenty-eight thousand, six hundred fifty-two".