28468577452 has 24 divisors (see below), whose sum is σ = 56954840096. Its totient is φ = 12197029248.

The previous prime is 28468577441. The next prime is 28468577471. The reversal of 28468577452 is 25477586482.

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, 65193 + ... + 247360.

Almost surely, 2^28468577452 is an apocalyptic number.

It is an amenable number.

28468577452 is an abundant number, since it is smaller than the sum of its proper divisors (28486262644).

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

28468577452 is a wasteful number, since it uses less digits than its factorization.

28468577452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315817 (or 315815 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 58.

The spelling of 28468577452 in words is "twenty-eight billion, four hundred sixty-eight million, five hundred seventy-seven thousand, four hundred fifty-two".