15327450018 has 96 divisors (see below), whose sum is σ = 35329694400. Its totient is φ = 4977697536.

The previous prime is 15327450013. The next prime is 15327450029. The reversal of 15327450018 is 81005472351.

15327450018 is a `hidden beast` number, since 1 + 532 + 74 + 50 + 0 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (15327450013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11890318 + ... + 11891606.

It is an arithmetic number, because the mean of its divisors is an integer number (368017650).

Almost surely, 2^15327450018 is an apocalyptic number.

15327450018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15327450018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17664847200).

15327450018 is an abundant number, since it is smaller than the sum of its proper divisors (20002244382).

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

15327450018 is a wasteful number, since it uses less digits than its factorization.

15327450018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 15327450018 in words is "fifteen billion, three hundred twenty-seven million, four hundred fifty thousand, eighteen".