40330660 has 24 divisors (see below), whose sum is σ = 85571640. Its totient is φ = 15965184.

The previous prime is 40330651. The next prime is 40330663. The reversal of 40330660 is 6603304.

40330660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9771876 + 30558784 = 3126^2 + 5528^2 .

It is not an unprimeable number, because it can be changed into a prime (40330663) 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 7 ways as a sum of consecutive naturals, for example, 8455 + ... + 12334.

It is an arithmetic number, because the mean of its divisors is an integer number (3565485).

Almost surely, 2^40330660 is an apocalyptic number.

It is an amenable number.

40330660 is an abundant number, since it is smaller than the sum of its proper divisors (45240980).

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

40330660 is a wasteful number, since it uses less digits than its factorization.

40330660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20895 (or 20893 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40330660 is about 6350.6424871819. The cubic root of 40330660 is about 342.9349722452.

Adding to 40330660 its reverse (6603304), we get a palindrome (46933964).

The spelling of 40330660 in words is "forty million, three hundred thirty thousand, six hundred sixty".