28602734180 has 24 divisors (see below), whose sum is σ = 60093730872. Its totient is φ = 11435762432.

The previous prime is 28602734179. The next prime is 28602734203. The reversal of 28602734180 is 8143720682.

It can be written as a sum of positive squares in 4 ways, for example, as 181494784 + 28421239396 = 13472^2 + 168586^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289067 + ... + 375186.

It is an arithmetic number, because the mean of its divisors is an integer number (2503905453).

Almost surely, 2^28602734180 is an apocalyptic number.

28602734180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28602734180 is an abundant number, since it is smaller than the sum of its proper divisors (31490996692).

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

28602734180 is a wasteful number, since it uses less digits than its factorization.

28602734180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666415 (or 666413 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 28602734180 in words is "twenty-eight billion, six hundred two million, seven hundred thirty-four thousand, one hundred eighty".