18471794000 has 160 divisors (see below), whose sum is σ = 49178638080. Its totient is φ = 6654528000.

The previous prime is 18471793973. The next prime is 18471794009. The reversal of 18471794000 is 49717481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18471794009) 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, 2394149 + ... + 2401851.

It is an arithmetic number, because the mean of its divisors is an integer number (307366488).

Almost surely, 2^18471794000 is an apocalyptic number.

18471794000 is a gapful number since it is divisible by the number (10) 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 18471794000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24589319040).

18471794000 is an abundant number, since it is smaller than the sum of its proper divisors (30706844080).

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

18471794000 is a wasteful number, since it uses less digits than its factorization.

18471794000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846 (or 7830 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 18471794000 in words is "eighteen billion, four hundred seventy-one million, seven hundred ninety-four thousand".