18124950144 has 64 divisors (see below), whose sum is σ = 55022178240. Its totient is φ = 5178556416.

The previous prime is 18124950143. The next prime is 18124950209. The reversal of 18124950144 is 44105942181.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (18124950143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368769 + ... + 3374144.

It is an arithmetic number, because the mean of its divisors is an integer number (859721535).

Almost surely, 2^18124950144 is an apocalyptic number.

18124950144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18124950144 is an abundant number, since it is smaller than the sum of its proper divisors (36897228096).

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

18124950144 is an equidigital number, since it uses as much as digits as its factorization.

18124950144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742937 (or 6742925 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 18124950144 in words is "eighteen billion, one hundred twenty-four million, nine hundred fifty thousand, one hundred forty-four".