428324504624 has 20 divisors (see below), whose sum is σ = 856649010240. Its totient is φ = 207253792320.

The previous prime is 428324504623. The next prime is 428324504633. The reversal of 428324504624 is 426405423824.

428324504624 is an admirable number.

It is a super-2 number, since 2×428324504624² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428324504623) 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, 431778239 + ... + 431779230.

It is an arithmetic number, because the mean of its divisors is an integer number (42832450512).

Almost surely, 2^428324504624 is an apocalyptic number.

It is an amenable number.

428324504624 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428324504624 is a wasteful number, since it uses less digits than its factorization.

428324504624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863557508 (or 863557502 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 44.

The spelling of 428324504624 in words is "four hundred twenty-eight billion, three hundred twenty-four million, five hundred four thousand, six hundred twenty-four".