194266712090 has 32 divisors (see below), whose sum is σ = 390773315520. Its totient is φ = 68919452800.

The previous prime is 194266712077. The next prime is 194266712141. The reversal of 194266712090 is 90217662491.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21532820 + ... + 21541839.

It is an arithmetic number, because the mean of its divisors is an integer number (12211666110).

Almost surely, 2^194266712090 is an apocalyptic number.

194266712090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194266712090 is an abundant number, since it is smaller than the sum of its proper divisors (196506603430).

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

194266712090 is a wasteful number, since it uses less digits than its factorization.

194266712090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43074718.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 194266712090 in words is "one hundred ninety-four billion, two hundred sixty-six million, seven hundred twelve thousand, ninety".