18242396100 has 144 divisors (see below), whose sum is σ = 58733740800. Its totient is φ = 4857356160.

The previous prime is 18242396093. The next prime is 18242396113. The reversal of 18242396100 is 169324281.

18242396100 is a `hidden beast` number, since 1 + 8 + 2 + 4 + 2 + 39 + 610 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1936602 + ... + 1945998.

It is an arithmetic number, because the mean of its divisors is an integer number (407873200).

Almost surely, 2^18242396100 is an apocalyptic number.

18242396100 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 18242396100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29366870400).

18242396100 is an abundant number, since it is smaller than the sum of its proper divisors (40491344700).

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

18242396100 is a wasteful number, since it uses less digits than its factorization.

18242396100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10139 (or 10126 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 18242396100 in words is "eighteen billion, two hundred forty-two million, three hundred ninety-six thousand, one hundred".