18441026146180 has 48 divisors (see below), whose sum is σ = 42247035806976. Its totient is φ = 6705776679680.

The previous prime is 18441026146171. The next prime is 18441026146187. The reversal of 18441026146180 is 8164162014481.

It is a self number, because there is not a number n which added to its sum of digits gives 18441026146180.

It is not an unprimeable number, because it can be changed into a prime (18441026146187) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40545792 + ... + 40998088.

It is an arithmetic number, because the mean of its divisors is an integer number (880146579312).

Almost surely, 2^{18441026146180} is an apocalyptic number.

18441026146180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18441026146180 is an abundant number, since it is smaller than the sum of its proper divisors (23806009660796).

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

18441026146180 is a wasteful number, since it uses less digits than its factorization.

18441026146180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637644 (or 637642 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 18441026146180 in words is "eighteen trillion, four hundred forty-one billion, twenty-six million, one hundred forty-six thousand, one hundred eighty".