428428399804 has 6 divisors (see below), whose sum is σ = 749749699664. Its totient is φ = 214214199900.

The previous prime is 428428399799. The next prime is 428428399963. The reversal of 428428399804 is 408993824824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53553549972 + ... + 53553549979.

Almost surely, 2^428428399804 is an apocalyptic number.

It is an amenable number.

428428399804 is a deficient number, since it is larger than the sum of its proper divisors (321321299860).

428428399804 is a wasteful number, since it uses less digits than its factorization.

428428399804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107107099955 (or 107107099953 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 61.

The spelling of 428428399804 in words is "four hundred twenty-eight billion, four hundred twenty-eight million, three hundred ninety-nine thousand, eight hundred four".