18880085194884 has 27 divisors (see below), whose sum is σ = 47724725699287. Its totient is φ = 6293353041384.

The previous prime is 18880085194793. The next prime is 18880085194891. The reversal of 18880085194884 is 48849158008881.

The square root of 18880085194884 is 4345122.

It is a perfect power (a square), and thus also a powerful number.

18880085194884 is a `hidden beast` number, since 18 + 8 + 80 + 0 + 8 + 51 + 9 + 488 + 4 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25708639 + ... + 26432825.

Almost surely, 2^{18880085194884} is an apocalyptic number.

18880085194884 is the 4345122-nd square number.

It is an amenable number.

18880085194884 is an abundant number, since it is smaller than the sum of its proper divisors (28844640504403).

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

18880085194884 is an frugal number, since it uses more digits than its factorization.

18880085194884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448384 (or 724192 counting only the distinct ones).

The product of its (nonzero) digits is 188743680, while the sum is 72.

The spelling of 18880085194884 in words is "eighteen trillion, eight hundred eighty billion, eighty-five million, one hundred ninety-four thousand, eight hundred eighty-four".