28323180460 has 48 divisors (see below), whose sum is σ = 60109358400. Its totient is φ = 11209777920.

The previous prime is 28323180449. The next prime is 28323180491. The reversal of 28323180460 is 6408132382.

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, 700722 + ... + 740038.

It is an arithmetic number, because the mean of its divisors is an integer number (1252278300).

Almost surely, 2^28323180460 is an apocalyptic number.

28323180460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28323180460 is an abundant number, since it is smaller than the sum of its proper divisors (31786177940).

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

28323180460 is a wasteful number, since it uses less digits than its factorization.

28323180460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39706 (or 39704 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 28323180460 in words is "twenty-eight billion, three hundred twenty-three million, one hundred eighty thousand, four hundred sixty".