40107794 has 8 divisors (see below), whose sum is σ = 63700668. Its totient is φ = 18874240.

The previous prime is 40107757. The next prime is 40107797. The reversal of 40107794 is 49770104.

It can be written as a sum of positive squares in 2 ways, for example, as 37368769 + 2739025 = 6113^2 + 1655^2 .

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

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 40107794.

It is not an unprimeable number, because it can be changed into a prime (40107797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589787 + ... + 589854.

Almost surely, 2^40107794 is an apocalyptic number.

40107794 is a deficient number, since it is larger than the sum of its proper divisors (23592874).

40107794 is a wasteful number, since it uses less digits than its factorization.

40107794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179660.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 40107794 is about 6333.0714507259. The cubic root of 40107794 is about 342.3021223661.

Adding to 40107794 its reverse (49770104), we get a palindrome (89877898).

The spelling of 40107794 in words is "forty million, one hundred seven thousand, seven hundred ninety-four".