18004174000 has 40 divisors (see below), whose sum is σ = 43534097568. Its totient is φ = 7201668800.

The previous prime is 18004173983. The next prime is 18004174007. The reversal of 18004174000 is 47140081.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (18004174007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4499044 + ... + 4503043.

Almost surely, 2^18004174000 is an apocalyptic number.

18004174000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18004174000 is an abundant number, since it is smaller than the sum of its proper divisors (25529923568).

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

18004174000 is an equidigital number, since it uses as much as digits as its factorization.

18004174000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002110 (or 9002094 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 18004174000 in words is "eighteen billion, four million, one hundred seventy-four thousand".