428464464824 has 32 divisors (see below), whose sum is σ = 885081878640. Its totient is φ = 192828288000.

The previous prime is 428464464817. The next prime is 428464464839.

428464464824 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 428464464824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24094649 + ... + 24112424.

Almost surely, 2^428464464824 is an apocalyptic number.

428464464824 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428464464824 is an abundant number, since it is smaller than the sum of its proper divisors (456617413816).

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

428464464824 is a wasteful number, since it uses less digits than its factorization.

428464464824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48207191 (or 48207187 counting only the distinct ones).

The product of its digits is 37748736, while the sum is 56.

The spelling of 428464464824 in words is "four hundred twenty-eight billion, four hundred sixty-four million, four hundred sixty-four thousand, eight hundred twenty-four".