40861874 has 4 divisors (see below), whose sum is σ = 61292814. Its totient is φ = 20430936.

The previous prime is 40861867. The next prime is 40861879. The reversal of 40861874 is 47816804.

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., 23280625 + 17581249 = 4825^2 + 4193^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40861879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215467 + ... + 10215470.

Almost surely, 2^40861874 is an apocalyptic number.

40861874 is a deficient number, since it is larger than the sum of its proper divisors (20430940).

40861874 is a wasteful number, since it uses less digits than its factorization.

40861874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430939.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 40861874 is about 6392.3293094145. The cubic root of 40861874 is about 344.4340619910.

The spelling of 40861874 in words is "forty million, eight hundred sixty-one thousand, eight hundred seventy-four".