18055268000 has 576 divisors, whose sum is σ = 58086782208. Its totient is φ = 5356800000.

The previous prime is 18055267987. The next prime is 18055268017. The reversal of 18055268000 is 86255081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 295987970 + ... + 295988030.

It is an arithmetic number, because the mean of its divisors is an integer number (100845108).

Almost surely, 2^18055268000 is an apocalyptic number.

18055268000 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 18055268000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29043391104).

18055268000 is an abundant number, since it is smaller than the sum of its proper divisors (40031514208).

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

18055268000 is a wasteful number, since it uses less digits than its factorization.

18055268000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 18055268000 in words is "eighteen billion, fifty-five million, two hundred sixty-eight thousand".