18849228117210 has 96 divisors (see below), whose sum is σ = 51180941155968. Its totient is φ = 4803954756480.

The previous prime is 18849228117169. The next prime is 18849228117229. The reversal of 18849228117210 is 1271182294881.

18849228117210 is a `hidden beast` number, since 1 + 8 + 8 + 492 + 2 + 81 + 1 + 72 + 1 + 0 = 666.

It is a super-2 number, since 2×18849228117210² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1242556 + ... + 6264375.

It is an arithmetic number, because the mean of its divisors is an integer number (533134803708).

Almost surely, 2^{18849228117210} is an apocalyptic number.

18849228117210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18849228117210 is an abundant number, since it is smaller than the sum of its proper divisors (32331713038758).

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

18849228117210 is a wasteful number, since it uses less digits than its factorization.

18849228117210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508180 (or 7508177 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 18849228117210 in words is "eighteen trillion, eight hundred forty-nine billion, two hundred twenty-eight million, one hundred seventeen thousand, two hundred ten".