18575323800 has 192 divisors, whose sum is σ = 62924722560. Its totient is φ = 4495488000.

The previous prime is 18575323787. The next prime is 18575323831. The reversal of 18575323800 is 832357581.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4558564 + ... + 4562636.

It is an arithmetic number, because the mean of its divisors is an integer number (327732930).

Almost surely, 2^18575323800 is an apocalyptic number.

18575323800 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 18575323800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31462361280).

18575323800 is an abundant number, since it is smaller than the sum of its proper divisors (44349398760).

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

18575323800 is a wasteful number, since it uses less digits than its factorization.

18575323800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794 (or 4785 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 18575323800 in words is "eighteen billion, five hundred seventy-five million, three hundred twenty-three thousand, eight hundred".