28548516930 has 32 divisors (see below), whose sum is σ = 68535664704. Its totient is φ = 7610801856.

The previous prime is 28548516839. The next prime is 28548516973. The reversal of 28548516930 is 3961584582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23304 + ... + 240083.

It is an arithmetic number, because the mean of its divisors is an integer number (2141739522).

Almost surely, 2^28548516930 is an apocalyptic number.

28548516930 is an abundant number, since it is smaller than the sum of its proper divisors (39987147774).

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

28548516930 is a wasteful number, since it uses less digits than its factorization.

28548516930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267010.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 28548516930 in words is "twenty-eight billion, five hundred forty-eight million, five hundred sixteen thousand, nine hundred thirty".