18492740100 has 144 divisors (see below), whose sum is σ = 59496192000. Its totient is φ = 4927628160.

The previous prime is 18492740099. The next prime is 18492740153. The reversal of 18492740100 is 104729481.

It is a super-2 number, since 2×18492740100² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6880957 + ... + 6883643.

It is an arithmetic number, because the mean of its divisors is an integer number (413168000).

Almost surely, 2^18492740100 is an apocalyptic number.

18492740100 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 18492740100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29748096000).

18492740100 is an abundant number, since it is smaller than the sum of its proper divisors (41003451900).

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

18492740100 is a wasteful number, since it uses less digits than its factorization.

18492740100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259 (or 5246 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 18492740100 in words is "eighteen billion, four hundred ninety-two million, seven hundred forty thousand, one hundred".