28654582920 has 32 divisors (see below), whose sum is σ = 85963749120. Its totient is φ = 7641222080.

The previous prime is 28654582903. The next prime is 28654582933. The reversal of 28654582920 is 2928545682.

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, 119393976 + ... + 119394215.

It is an arithmetic number, because the mean of its divisors is an integer number (2686367160).

Almost surely, 2^28654582920 is an apocalyptic number.

28654582920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28654582920 is an abundant number, since it is smaller than the sum of its proper divisors (57309166200).

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

28654582920 is a wasteful number, since it uses less digits than its factorization.

28654582920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238788205 (or 238788201 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 28654582920 in words is "twenty-eight billion, six hundred fifty-four million, five hundred eighty-two thousand, nine hundred twenty".