40818746 has 16 divisors (see below), whose sum is σ = 62111880. Its totient is φ = 20116800.

The previous prime is 40818719. The next prime is 40818761. The reversal of 40818746 is 64781804.

It can be written as a sum of positive squares in 4 ways, for example, as 39828721 + 990025 = 6311^2 + 995^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79940 + ... + 80448.

Almost surely, 2^40818746 is an apocalyptic number.

40818746 is a deficient number, since it is larger than the sum of its proper divisors (21293134).

40818746 is a wasteful number, since it uses less digits than its factorization.

40818746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009.

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

The square root of 40818746 is about 6388.9550006241. The cubic root of 40818746 is about 344.3128407479.

The spelling of 40818746 in words is "forty million, eight hundred eighteen thousand, seven hundred forty-six".