30040194 has 16 divisors (see below), whose sum is σ = 60188832. Its totient is φ = 9995328.

The previous prime is 30040193. The next prime is 30040211. The reversal of 30040194 is 49104003.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30040194.

It is not an unprimeable number, because it can be changed into a prime (30040193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 7779.

It is an arithmetic number, because the mean of its divisors is an integer number (3761802).

Almost surely, 2^30040194 is an apocalyptic number.

30040194 is an abundant number, since it is smaller than the sum of its proper divisors (30148638).

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

30040194 is a wasteful number, since it uses less digits than its factorization.

30040194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30040194 is about 5480.8935402907. The cubic root of 30040194 is about 310.8619576710.

Adding to 30040194 its reverse (49104003), we get a palindrome (79144197).

The spelling of 30040194 in words is "thirty million, forty thousand, one hundred ninety-four".