28154845182 has 32 divisors (see below), whose sum is σ = 57384339840. Its totient is φ = 9205915680.

The previous prime is 28154845139. The next prime is 28154845207.

28154845182 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×28154845182² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886069 + ... + 2895807.

It is an arithmetic number, because the mean of its divisors is an integer number (1793260620).

Almost surely, 2^28154845182 is an apocalyptic number.

28154845182 is an abundant number, since it is smaller than the sum of its proper divisors (29229494658).

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

28154845182 is a wasteful number, since it uses less digits than its factorization.

28154845182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888.

The product of its digits is 819200, while the sum is 48.

The spelling of 28154845182 in words is "twenty-eight billion, one hundred fifty-four million, eight hundred forty-five thousand, one hundred eighty-two".