28548814624 has 48 divisors (see below), whose sum is σ = 63292997376. Its totient is φ = 12558124800.

The previous prime is 28548814583. The next prime is 28548814639. The reversal of 28548814624 is 42641884582.

It is a happy number.

It is a super-2 number, since 2×28548814624² (a number of 22 digits) contains 22 as substring.

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, 1297227 + ... + 1319050.

It is an arithmetic number, because the mean of its divisors is an integer number (1318604112).

Almost surely, 2^28548814624 is an apocalyptic number.

It is an amenable number.

28548814624 is an abundant number, since it is smaller than the sum of its proper divisors (34744182752).

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

28548814624 is a wasteful number, since it uses less digits than its factorization.

28548814624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616329 (or 2616321 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 52.

The spelling of 28548814624 in words is "twenty-eight billion, five hundred forty-eight million, eight hundred fourteen thousand, six hundred twenty-four".