18045093600 has 144 divisors (see below), whose sum is σ = 65263166640. Its totient is φ = 4812019200.

The previous prime is 18045093589. The next prime is 18045093607. The reversal of 18045093600 is 639054081.

18045093600 is a `hidden beast` number, since 1 + 8 + 0 + 45 + 0 + 9 + 3 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18045093607) 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, 396111 + ... + 439310.

It is an arithmetic number, because the mean of its divisors is an integer number (453216435).

Almost surely, 2^18045093600 is an apocalyptic number.

18045093600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18045093600 is an abundant number, since it is smaller than the sum of its proper divisors (47218073040).

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

18045093600 is a wasteful number, since it uses less digits than its factorization.

18045093600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835450 (or 835431 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 18045093600 in words is "eighteen billion, forty-five million, ninety-three thousand, six hundred".