428893885824 has 32 divisors (see below), whose sum is σ = 1139249385240. Its totient is φ = 142964628480.

The previous prime is 428893885807. The next prime is 428893885829. The reversal of 428893885824 is 428588398824.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428893885829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558455197 + ... + 558455964.

Almost surely, 2^428893885824 is an apocalyptic number.

It is an amenable number.

428893885824 is an abundant number, since it is smaller than the sum of its proper divisors (710355499416).

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

428893885824 is a wasteful number, since it uses less digits than its factorization.

428893885824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116911178 (or 1116911166 counting only the distinct ones).

The product of its digits is 283115520, while the sum is 69.

The spelling of 428893885824 in words is "four hundred twenty-eight billion, eight hundred ninety-three million, eight hundred eighty-five thousand, eight hundred twenty-four".