18037800889344 has 264 divisors, whose sum is σ = 52879463208000. Its totient is φ = 5921137557504.

The previous prime is 18037800889343. The next prime is 18037800889349. The reversal of 18037800889344 is 44398800873081.

18037800889344 is a `hidden beast` number, since 180 + 37 + 8 + 0 + 0 + 8 + 89 + 344 = 666.

It is not an unprimeable number, because it can be changed into a prime (18037800889343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283185052 + ... + 283248740.

It is an arithmetic number, because the mean of its divisors is an integer number (200300997000).

Almost surely, 2^{18037800889344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18037800889344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26439731604000).

18037800889344 is an abundant number, since it is smaller than the sum of its proper divisors (34841662318656).

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

18037800889344 is a wasteful number, since it uses less digits than its factorization.

18037800889344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64183 (or 64162 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 18037800889344 in words is "eighteen trillion, thirty-seven billion, eight hundred million, eight hundred eighty-nine thousand, three hundred forty-four".