428394076804 has 96 divisors (see below), whose sum is σ = 790548595200. Its totient is φ = 202912174080.

The previous prime is 428394076793. The next prime is 428394076819. The reversal of 428394076804 is 408670493824.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486258444 + ... + 486259324.

It is an arithmetic number, because the mean of its divisors is an integer number (8234881200).

Almost surely, 2^428394076804 is an apocalyptic number.

It is an amenable number.

428394076804 is a deficient number, since it is larger than the sum of its proper divisors (362154518396).

428394076804 is a wasteful number, since it uses less digits than its factorization.

428394076804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 428394076804 in words is "four hundred twenty-eight billion, three hundred ninety-four million, seventy-six thousand, eight hundred four".