18030151244 has 48 divisors (see below), whose sum is σ = 38224327680. Its totient is φ = 7264508160.

The previous prime is 18030151219. The next prime is 18030151291. The reversal of 18030151244 is 44215103081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412847 + ... + 454425.

It is an arithmetic number, because the mean of its divisors is an integer number (796340160).

Almost surely, 2^18030151244 is an apocalyptic number.

18030151244 is a gapful number since it is divisible by the number (14) 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 18030151244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19112163840).

18030151244 is an abundant number, since it is smaller than the sum of its proper divisors (20194176436).

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

18030151244 is a wasteful number, since it uses less digits than its factorization.

18030151244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42518 (or 42516 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 18030151244 in words is "eighteen billion, thirty million, one hundred fifty-one thousand, two hundred forty-four".