40955818 has 8 divisors (see below), whose sum is σ = 63094212. Its totient is φ = 19924416.

The previous prime is 40955813. The next prime is 40955819. The reversal of 40955818 is 81855904.

It can be written as a sum of positive squares in 2 ways, for example, as 39350529 + 1605289 = 6273^2 + 1267^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40955813) 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, 276655 + ... + 276802.

Almost surely, 2^40955818 is an apocalyptic number.

40955818 is a deficient number, since it is larger than the sum of its proper divisors (22138394).

40955818 is a wasteful number, since it uses less digits than its factorization.

40955818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553496.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 40955818 is about 6399.6732729101. The cubic root of 40955818 is about 344.6978184357.

The spelling of 40955818 in words is "forty million, nine hundred fifty-five thousand, eight hundred eighteen".