18502149120 has 1056 divisors, whose sum is σ = 77781021696. Its totient is φ = 3715891200.

The previous prime is 18502149047. The next prime is 18502149157. The reversal of 18502149120 is 2194120581.

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 95 ways as a sum of consecutive naturals, for example, 303313890 + ... + 303313950.

Almost surely, 2^18502149120 is an apocalyptic number.

18502149120 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 18502149120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38890510848).

18502149120 is an abundant number, since it is smaller than the sum of its proper divisors (59278872576).

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

18502149120 is a wasteful number, since it uses less digits than its factorization.

18502149120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 18502149120 in words is "eighteen billion, five hundred two million, one hundred forty-nine thousand, one hundred twenty".