40718983 has 4 divisors (see below), whose sum is σ = 40741408. Its totient is φ = 40696560.

The previous prime is 40718971. The next prime is 40718989. The reversal of 40718983 is 38981704.

40718983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40718983 - 2⁹ = 40718471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40718989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8223 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (10185352).

Almost surely, 2^40718983 is an apocalyptic number.

40718983 is a deficient number, since it is larger than the sum of its proper divisors (22425).

40718983 is a wasteful number, since it uses less digits than its factorization.

40718983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22424.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 40718983 is about 6381.1427659942. The cubic root of 40718983 is about 344.0321061390.

The spelling of 40718983 in words is "forty million, seven hundred eighteen thousand, nine hundred eighty-three".