18301485870000 has 500 divisors, whose sum is σ = 66239625441000. Its totient is φ = 4876816896000.

The previous prime is 18301485869987. The next prime is 18301485870007. The reversal of 18301485870000 is 7858410381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (500).

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

It is not an unprimeable number, because it can be changed into a prime (18301485870007) by changing a digit.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 1214182464 + ... + 1214197536.

It is an arithmetic number, because the mean of its divisors is an integer number (132479250882).

Almost surely, 2^{18301485870000} is an apocalyptic number.

18301485870000 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 18301485870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33119812720500).

18301485870000 is an abundant number, since it is smaller than the sum of its proper divisors (47938139571000).

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

18301485870000 is a wasteful number, since it uses less digits than its factorization.

18301485870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16612 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 18301485870000 in words is "eighteen trillion, three hundred one billion, four hundred eighty-five million, eight hundred seventy thousand".