18325465344 has 216 divisors, whose sum is σ = 55813954560. Its totient is φ = 5766598656.

The previous prime is 18325465343. The next prime is 18325465387. The reversal of 18325465344 is 44356452381.

18325465344 is a `hidden beast` number, since 18 + 3 + 2 + 546 + 53 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18325465344.

It is not an unprimeable number, because it can be changed into a prime (18325465343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16765662 + ... + 16766754.

Almost surely, 2^18325465344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18325465344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27906977280).

18325465344 is an abundant number, since it is smaller than the sum of its proper divisors (37488489216).

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

18325465344 is a wasteful number, since it uses less digits than its factorization.

18325465344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1500 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 18325465344 in words is "eighteen billion, three hundred twenty-five million, four hundred sixty-five thousand, three hundred forty-four".