194418199404 has 240 divisors, whose sum is σ = 597685888800. Its totient is φ = 54329564160.

The previous prime is 194418199399. The next prime is 194418199463. The reversal of 194418199404 is 404991814491.

194418199404 is a `hidden beast` number, since 1 + 9 + 4 + 41 + 8 + 199 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 90299992 + ... + 90302144.

It is an arithmetic number, because the mean of its divisors is an integer number (2490357870).

Almost surely, 2^194418199404 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 194418199404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298842944400).

194418199404 is an abundant number, since it is smaller than the sum of its proper divisors (403267689396).

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

194418199404 is a wasteful number, since it uses less digits than its factorization.

194418199404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142 (or 4131 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 194418199404 in words is "one hundred ninety-four billion, four hundred eighteen million, one hundred ninety-nine thousand, four hundred four".