28641258060 has 24 divisors (see below), whose sum is σ = 80195522736. Its totient is φ = 7637668800.

The previous prime is 28641258049. The next prime is 28641258077. The reversal of 28641258060 is 6085214682.

It is a super-3 number, since 3×28641258060³ (a number of 32 digits) contains 333 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, 238677091 + ... + 238677210.

It is an arithmetic number, because the mean of its divisors is an integer number (3341480114).

Almost surely, 2^28641258060 is an apocalyptic number.

28641258060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28641258060 is an abundant number, since it is smaller than the sum of its proper divisors (51554264676).

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

28641258060 is a wasteful number, since it uses less digits than its factorization.

28641258060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477354313 (or 477354311 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 28641258060 in words is "twenty-eight billion, six hundred forty-one million, two hundred fifty-eight thousand, sixty".