194994000306 has 72 divisors (see below), whose sum is σ = 492120555264. Its totient is φ = 55638198000.

The previous prime is 194994000301. The next prime is 194994000317. The reversal of 194994000306 is 603000499491.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (194994000301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 515191 + ... + 809573.

It is an arithmetic number, because the mean of its divisors is an integer number (6835007712).

Almost surely, 2^194994000306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194994000306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246060277632).

194994000306 is an abundant number, since it is smaller than the sum of its proper divisors (297126554958).

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

194994000306 is a wasteful number, since it uses less digits than its factorization.

194994000306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295156 (or 295146 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

Adding to 194994000306 its reverse (603000499491), we get a palindrome (797994499797).

The spelling of 194994000306 in words is "one hundred ninety-four billion, nine hundred ninety-four million, three hundred six", and thus it is an aban number.