40347708 has 24 divisors (see below), whose sum is σ = 94263120. Its totient is φ = 13432320.

The previous prime is 40347707. The next prime is 40347719. The reversal of 40347708 is 80774304.

It is a happy number.

40347708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347707) 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, 11148 + ... + 14316.

It is an arithmetic number, because the mean of its divisors is an integer number (3927630).

Almost surely, 2^40347708 is an apocalyptic number.

It is an amenable number.

40347708 is an abundant number, since it is smaller than the sum of its proper divisors (53915412).

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

40347708 is a wasteful number, since it uses less digits than its factorization.

40347708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40347708 is about 6351.9845717697. The cubic root of 40347708 is about 342.9832856280.

The spelling of 40347708 in words is "forty million, three hundred forty-seven thousand, seven hundred eight".