40347330 has 32 divisors (see below), whose sum is σ = 99088704. Its totient is φ = 10508736.

The previous prime is 40347311. The next prime is 40347347. The reversal of 40347330 is 3374304.

40347330 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 a self number, because there is not a number n which added to its sum of digits gives 40347330.

It is an unprimeable number.

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, 14349 + ... + 16928.

It is an arithmetic number, because the mean of its divisors is an integer number (3096522).

Almost surely, 2^40347330 is an apocalyptic number.

40347330 is an abundant number, since it is smaller than the sum of its proper divisors (58741374).

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

40347330 is a wasteful number, since it uses less digits than its factorization.

40347330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 40347330 is about 6351.9548172197. The cubic root of 40347330 is about 342.9822145379.

The spelling of 40347330 in words is "forty million, three hundred forty-seven thousand, three hundred thirty".