194418468 has 84 divisors (see below), whose sum is σ = 518952028. Its totient is φ = 63685440.

The previous prime is 194418457. The next prime is 194418473. The reversal of 194418468 is 864814491.

194418468 is a `hidden beast` number, since 194 + 418 + 46 + 8 = 666.

194418468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 103063104 + 91355364 = 10152^2 + 9558^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 177330 + ... + 178422.

Almost surely, 2^194418468 is an apocalyptic number.

194418468 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 194418468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259476014).

194418468 is an abundant number, since it is smaller than the sum of its proper divisors (324533560).

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

194418468 is a wasteful number, since it uses less digits than its factorization.

194418468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1159 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 194418468 is about 13943.4023107705. The cubic root of 194418468 is about 579.3119744808.

The spelling of 194418468 in words is "one hundred ninety-four million, four hundred eighteen thousand, four hundred sixty-eight".