18104000328 has 108 divisors (see below), whose sum is σ = 49839371595. Its totient is φ = 5936860800.

The previous prime is 18104000273. The next prime is 18104000329. The reversal of 18104000328 is 82300040181.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 15192534564 + 2911465764 = 123258^2 + 53958^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=95142.

It is not an unprimeable number, because it can be changed into a prime (18104000329) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 115312026 + ... + 115312182.

Almost surely, 2^18104000328 is an apocalyptic number.

18104000328 is a gapful number since it is divisible by the number (18) 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 18104000328

18104000328 is an abundant number, since it is smaller than the sum of its proper divisors (31735371267).

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

18104000328 is a wasteful number, since it uses less digits than its factorization.

18104000328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 18104000328 in words is "eighteen billion, one hundred four million, three hundred twenty-eight", and thus it is an aban number.