228173044180 has 24 divisors (see below), whose sum is σ = 494620277760. Its totient is φ = 88325049120.

The previous prime is 228173044171. The next prime is 228173044223. The reversal of 228173044180 is 81440371822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184009900 + ... + 184011139.

It is an arithmetic number, because the mean of its divisors is an integer number (20609178240).

Almost surely, 2^228173044180 is an apocalyptic number.

228173044180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228173044180 is an abundant number, since it is smaller than the sum of its proper divisors (266447233580).

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

228173044180 is a wasteful number, since it uses less digits than its factorization.

228173044180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368021079 (or 368021077 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 228173044180 in words is "two hundred twenty-eight billion, one hundred seventy-three million, forty-four thousand, one hundred eighty".