18744076940805 has 24 divisors (see below), whose sum is σ = 32497698804480. Its totient is φ = 9994390130400.

The previous prime is 18744076940759. The next prime is 18744076940903. The reversal of 18744076940805 is 50804967044781.

18744076940805 is a `hidden beast` number, since 1 + 8 + 7 + 440 + 76 + 9 + 40 + 80 + 5 = 666.

It is not a de Polignac number, because 18744076940805 - 2¹² = 18744076936709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50874921 + ... + 51242030.

It is an arithmetic number, because the mean of its divisors is an integer number (1354070783520).

Almost surely, 2^{18744076940805} is an apocalyptic number.

18744076940805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18744076940805 is a deficient number, since it is larger than the sum of its proper divisors (13753621863675).

18744076940805 is a wasteful number, since it uses less digits than its factorization.

18744076940805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102121041 (or 102121038 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 18744076940805 in words is "eighteen trillion, seven hundred forty-four billion, seventy-six million, nine hundred forty thousand, eight hundred five".