24428579812 has 24 divisors (see below), whose sum is σ = 52615403456. Its totient is φ = 9664053408.

The previous prime is 24428579789. The next prime is 24428579821. The reversal of 24428579812 is 21897582442.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 24428579812.

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, 33555378 + ... + 33556105.

Almost surely, 2^24428579812 is an apocalyptic number.

It is an amenable number.

24428579812 is an abundant number, since it is smaller than the sum of its proper divisors (28186823644).

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

24428579812 is a wasteful number, since it uses less digits than its factorization.

24428579812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67111507 (or 67111505 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The spelling of 24428579812 in words is "twenty-four billion, four hundred twenty-eight million, five hundred seventy-nine thousand, eight hundred twelve".