18332545340 has 24 divisors (see below), whose sum is σ = 40762954512. Its totient is φ = 6901664000.

The previous prime is 18332545327. The next prime is 18332545369. The reversal of 18332545340 is 4354523381.

It is a junction number, because it is equal to n+sod(n) for n = 18332545294 and 18332545303.

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, 26959286 + ... + 26959965.

It is an arithmetic number, because the mean of its divisors is an integer number (1698456438).

Almost surely, 2^18332545340 is an apocalyptic number.

18332545340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18332545340 is an abundant number, since it is smaller than the sum of its proper divisors (22430409172).

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

18332545340 is a wasteful number, since it uses less digits than its factorization.

18332545340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53919277 (or 53919275 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 18332545340 in words is "eighteen billion, three hundred thirty-two million, five hundred forty-five thousand, three hundred forty".