40194958 has 4 divisors (see below), whose sum is σ = 60292440. Its totient is φ = 20097478.

The previous prime is 40194943. The next prime is 40194971. The reversal of 40194958 is 85949104.

40194958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40194958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10048738 + ... + 10048741.

It is an arithmetic number, because the mean of its divisors is an integer number (15073110).

Almost surely, 2^40194958 is an apocalyptic number.

40194958 is a deficient number, since it is larger than the sum of its proper divisors (20097482).

40194958 is a wasteful number, since it uses less digits than its factorization.

40194958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097481.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 40194958 is about 6339.9493688830. The cubic root of 40194958 is about 342.5499115640.

It can be divided in two parts, 401 and 94958, that added together give a palindrome (95359).

The spelling of 40194958 in words is "forty million, one hundred ninety-four thousand, nine hundred fifty-eight".