18372350880 has 768 divisors, whose sum is σ = 73075322880. Its totient is φ = 4279910400.

The previous prime is 18372350873. The next prime is 18372350921. The reversal of 18372350880 is 8805327381.

18372350880 is a `hidden beast` number, since 18 + 37 + 23 + 508 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 106198474 + ... + 106198646.

It is an arithmetic number, because the mean of its divisors is an integer number (95150160).

Almost surely, 2^18372350880 is an apocalyptic number.

18372350880 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 18372350880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36537661440).

18372350880 is an abundant number, since it is smaller than the sum of its proper divisors (54702972000).

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

18372350880 is a wasteful number, since it uses less digits than its factorization.

18372350880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18372350880 in words is "eighteen billion, three hundred seventy-two million, three hundred fifty thousand, eight hundred eighty".