18740554332 has 24 divisors (see below), whose sum is σ = 43744492176. Its totient is φ = 6244489728.

The previous prime is 18740554291. The next prime is 18740554351. The reversal of 18740554332 is 23345504781.

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, 262003 + ... + 325770.

It is an arithmetic number, because the mean of its divisors is an integer number (1822687174).

Almost surely, 2^18740554332 is an apocalyptic number.

18740554332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18740554332 is an abundant number, since it is smaller than the sum of its proper divisors (25003937844).

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

18740554332 is a wasteful number, since it uses less digits than its factorization.

18740554332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590437 (or 590435 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 18740554332 in words is "eighteen billion, seven hundred forty million, five hundred fifty-four thousand, three hundred thirty-two".