40775994 has 32 divisors (see below), whose sum is σ = 103559040. Its totient is φ = 11650176.

The previous prime is 40775993. The next prime is 40776007. The reversal of 40775994 is 49957704.

40775994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40775993) 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 15 ways as a sum of consecutive naturals, for example, 53559 + ... + 54314.

It is an arithmetic number, because the mean of its divisors is an integer number (3236220).

Almost surely, 2^40775994 is an apocalyptic number.

40775994 is an abundant number, since it is smaller than the sum of its proper divisors (62783046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40775994 is a wasteful number, since it uses less digits than its factorization.

40775994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107891 (or 107885 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 40775994 is about 6385.6083500321. The cubic root of 40775994 is about 344.1925920380.

The spelling of 40775994 in words is "forty million, seven hundred seventy-five thousand, nine hundred ninety-four".