18614430330 has 64 divisors (see below), whose sum is σ = 47486943360. Its totient is φ = 4653645824.

The previous prime is 18614430301. The next prime is 18614430337. The reversal of 18614430330 is 3303441681.

It is a junction number, because it is equal to n+sod(n) for n = 18614430291 and 18614430300.

It is not an unprimeable number, because it can be changed into a prime (18614430337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60061 + ... + 202079.

It is an arithmetic number, because the mean of its divisors is an integer number (741983490).

Almost surely, 2^18614430330 is an apocalyptic number.

18614430330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18614430330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23743471680).

18614430330 is an abundant number, since it is smaller than the sum of its proper divisors (28872513030).

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

18614430330 is a wasteful number, since it uses less digits than its factorization.

18614430330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142303.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 18614430330 in words is "eighteen billion, six hundred fourteen million, four hundred thirty thousand, three hundred thirty".