428631464136824 has 16 divisors (see below), whose sum is σ = 865505841045720. Its totient is φ = 197829906524640.

The previous prime is 428631464136787. The next prime is 428631464136907.

428631464136824 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060728192862 + ... + 2060728193069.

Almost surely, 2^{428631464136824} is an apocalyptic number.

It is an amenable number.

428631464136824 is an abundant number, since it is smaller than the sum of its proper divisors (436874376908896).

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

428631464136824 is a wasteful number, since it uses less digits than its factorization.

428631464136824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121456385950 (or 4121456385946 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 62.

The spelling of 428631464136824 in words is "four hundred twenty-eight trillion, six hundred thirty-one billion, four hundred sixty-four million, one hundred thirty-six thousand, eight hundred twenty-four".