18040593375 has 576 divisors, whose sum is σ = 44743974912. Its totient is φ = 7185024000.

The previous prime is 18040593359. The next prime is 18040593377. The reversal of 18040593375 is 57339504081.

18040593375 is a `hidden beast` number, since 18 + 0 + 40 + 593 + 3 + 7 + 5 = 666.

It is not a de Polignac number, because 18040593375 - 2⁴ = 18040593359 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18040593375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18040593377) by changing a digit.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 581954610 + ... + 581954640.

It is an arithmetic number, because the mean of its divisors is an integer number (77680512).

Almost surely, 2^18040593375 is an apocalyptic number.

18040593375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18040593375 is an abundant number, since it is smaller than the sum of its proper divisors (26703381537).

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

18040593375 is a wasteful number, since it uses less digits than its factorization.

18040593375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 18040593375 in words is "eighteen billion, forty million, five hundred ninety-three thousand, three hundred seventy-five".