18332102553940 has 96 divisors (see below), whose sum is σ = 44350258821120. Its totient is φ = 6234965328384.

The previous prime is 18332102553929. The next prime is 18332102553943. The reversal of 18332102553940 is 4935520123381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18332102553943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12654846 + ... + 14028874.

It is an arithmetic number, because the mean of its divisors is an integer number (461981862720).

Almost surely, 2^{18332102553940} is an apocalyptic number.

18332102553940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18332102553940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22175129410560).

18332102553940 is an abundant number, since it is smaller than the sum of its proper divisors (26018156267180).

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

18332102553940 is a wasteful number, since it uses less digits than its factorization.

18332102553940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374809 (or 1374807 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 18332102553940 in words is "eighteen trillion, three hundred thirty-two billion, one hundred two million, five hundred fifty-three thousand, nine hundred forty".