40775789 has 4 divisors (see below), whose sum is σ = 41069280. Its totient is φ = 40482300.

The previous prime is 40775759. The next prime is 40775807. The reversal of 40775789 is 98757704.

40775789 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40775789 - 2⁸ = 40775533 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 (40775719) 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, 146537 + ... + 146814.

It is an arithmetic number, because the mean of its divisors is an integer number (10267320).

Almost surely, 2^40775789 is an apocalyptic number.

It is an amenable number.

40775789 is a deficient number, since it is larger than the sum of its proper divisors (293491).

40775789 is a wasteful number, since it uses less digits than its factorization.

40775789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293490.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 40775789 is about 6385.5922982915. The cubic root of 40775789 is about 344.1920152313.

The spelling of 40775789 in words is "forty million, seven hundred seventy-five thousand, seven hundred eighty-nine".