40775 has 12 divisors (see below), whose sum is σ = 58032. Its totient is φ = 27840.

The previous prime is 40771. The next prime is 40787. The reversal of 40775 is 57704.

It is a happy number.

It is not a de Polignac number, because 40775 - 2² = 40771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40775.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40775.

It is not an unprimeable number, because it can be changed into a prime (40771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59 + ... + 291.

It is an arithmetic number, because the mean of its divisors is an integer number (4836).

2⁴⁰⁷⁷⁵ is an apocalyptic number.

40775 is a deficient number, since it is larger than the sum of its proper divisors (17257).

40775 is a wasteful number, since it uses less digits than its factorization.

40775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 40775 is about 201.9282050631. The cubic root of 40775 is about 34.4189795211.

The spelling of 40775 in words is "forty thousand, seven hundred seventy-five".