18285254504 has 64 divisors (see below), whose sum is σ = 39398616000. Its totient is φ = 7868344320.

The previous prime is 18285254501. The next prime is 18285254527. The reversal of 18285254504 is 40545258281.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (18285254501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2988152 + ... + 2994264.

It is an arithmetic number, because the mean of its divisors is an integer number (615603375).

Almost surely, 2^18285254504 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 18285254504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19699308000).

18285254504 is an abundant number, since it is smaller than the sum of its proper divisors (21113361496).

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

18285254504 is a wasteful number, since it uses less digits than its factorization.

18285254504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938 (or 7934 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 44.

The spelling of 18285254504 in words is "eighteen billion, two hundred eighty-five million, two hundred fifty-four thousand, five hundred four".