28641550182 has 32 divisors (see below), whose sum is σ = 65474433024. Its totient is φ = 8182296000.

The previous prime is 28641550151. The next prime is 28641550199. The reversal of 28641550182 is 28105514682.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 347082 + ... + 421602.

It is an arithmetic number, because the mean of its divisors is an integer number (2046076032).

Almost surely, 2^28641550182 is an apocalyptic number.

28641550182 is an abundant number, since it is smaller than the sum of its proper divisors (36832882842).

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

28641550182 is a wasteful number, since it uses less digits than its factorization.

28641550182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83684.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 28641550182 in words is "twenty-eight billion, six hundred forty-one million, five hundred fifty thousand, one hundred eighty-two".