28982605180 has 24 divisors (see below), whose sum is σ = 61633897920. Its totient is φ = 11446294080.

The previous prime is 28982605153. The next prime is 28982605181. The reversal of 28982605180 is 8150628982.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28982605181) 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, 9170131 + ... + 9173290.

It is an arithmetic number, because the mean of its divisors is an integer number (2568079080).

Almost surely, 2^28982605180 is an apocalyptic number.

28982605180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28982605180 is an abundant number, since it is smaller than the sum of its proper divisors (32651292740).

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

28982605180 is a wasteful number, since it uses less digits than its factorization.

28982605180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18343509 (or 18343507 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 28982605180 in words is "twenty-eight billion, nine hundred eighty-two million, six hundred five thousand, one hundred eighty".