40994918 has 8 divisors (see below), whose sum is σ = 61553520. Its totient is φ = 20477080.

The previous prime is 40994909. The next prime is 40994929. The reversal of 40994918 is 81949904.

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

It is a Curzon number.

It is a congruent number.

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, 7538 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (7694190).

Almost surely, 2^40994918 is an apocalyptic number.

40994918 is a deficient number, since it is larger than the sum of its proper divisors (20558602).

40994918 is a wasteful number, since it uses less digits than its factorization.

40994918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 40994918 is about 6402.7273876060. The cubic root of 40994918 is about 344.8074764252.

The spelling of 40994918 in words is "forty million, nine hundred ninety-four thousand, nine hundred eighteen".