194042584890 has 192 divisors, whose sum is σ = 629247191040. Its totient is φ = 40304718720.

The previous prime is 194042584847. The next prime is 194042584903. The reversal of 194042584890 is 98485240491.

It is a happy number.

194042584890 is a `hidden beast` number, since 1 + 94 + 0 + 425 + 8 + 48 + 90 = 666.

194042584890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27848187 + ... + 27855153.

It is an arithmetic number, because the mean of its divisors is an integer number (3277329120).

Almost surely, 2^194042584890 is an apocalyptic number.

194042584890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194042584890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314623595520).

194042584890 is an abundant number, since it is smaller than the sum of its proper divisors (435204606150).

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

194042584890 is a wasteful number, since it uses less digits than its factorization.

194042584890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017 (or 11014 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 194042584890 in words is "one hundred ninety-four billion, forty-two million, five hundred eighty-four thousand, eight hundred ninety".