28056675320 has 32 divisors (see below), whose sum is σ = 63232611120. Its totient is φ = 11203987200.

The previous prime is 28056675301. The next prime is 28056675323. The reversal of 28056675320 is 2357665082.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056675323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559502 + ... + 607581.

Almost surely, 2^28056675320 is an apocalyptic number.

28056675320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28056675320 is an abundant number, since it is smaller than the sum of its proper divisors (35175935800).

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

28056675320 is a wasteful number, since it uses less digits than its factorization.

28056675320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167695 (or 1167691 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 28056675320 in words is "twenty-eight billion, fifty-six million, six hundred seventy-five thousand, three hundred twenty".