40679194 has 4 divisors (see below), whose sum is σ = 61018794. Its totient is φ = 20339596.

The previous prime is 40679183. The next prime is 40679201. The reversal of 40679194 is 49197604.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 23164969 + 17514225 = 4813^2 + 4185^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10169797 + ... + 10169800.

Almost surely, 2^40679194 is an apocalyptic number.

40679194 is a deficient number, since it is larger than the sum of its proper divisors (20339600).

40679194 is a wasteful number, since it uses less digits than its factorization.

40679194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20339599.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 40679194 is about 6378.0243022428. The cubic root of 40679194 is about 343.9200113732.

The spelling of 40679194 in words is "forty million, six hundred seventy-nine thousand, one hundred ninety-four".