40330777 has 4 divisors (see below), whose sum is σ = 41420836. Its totient is φ = 39240720.

The previous prime is 40330729. The next prime is 40330811. The reversal of 40330777 is 77703304.

40330777 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 can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 15768841 = 4956^2 + 3971^2 .

It is not a de Polignac number, because 40330777 - 2¹⁹ = 39806489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40330177) 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, 544974 + ... + 545047.

It is an arithmetic number, because the mean of its divisors is an integer number (10355209).

Almost surely, 2^40330777 is an apocalyptic number.

It is an amenable number.

40330777 is a deficient number, since it is larger than the sum of its proper divisors (1090059).

40330777 is a wasteful number, since it uses less digits than its factorization.

40330777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090058.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 40330777 is about 6350.6516988416. The cubic root of 40330777 is about 342.9353038652.

The spelling of 40330777 in words is "forty million, three hundred thirty thousand, seven hundred seventy-seven".