40115794 has 8 divisors (see below), whose sum is σ = 61641468. Its totient is φ = 19568640.

The previous prime is 40115773. The next prime is 40115819. The reversal of 40115794 is 49751104.

It can be written as a sum of positive squares in 2 ways, for example, as 33930625 + 6185169 = 5825^2 + 2487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244527 + ... + 244690.

Almost surely, 2^40115794 is an apocalyptic number.

40115794 is a deficient number, since it is larger than the sum of its proper divisors (21525674).

40115794 is a wasteful number, since it uses less digits than its factorization.

40115794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489260.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 40115794 is about 6333.7030242979. The cubic root of 40115794 is about 342.3248796630.

Adding to 40115794 its reverse (49751104), we get a palindrome (89866898).

The spelling of 40115794 in words is "forty million, one hundred fifteen thousand, seven hundred ninety-four".