40508708 has 24 divisors (see below), whose sum is σ = 73899000. Its totient is φ = 19405568.

The previous prime is 40508707. The next prime is 40508711. The reversal of 40508708 is 80780504.

It can be written as a sum of positive squares in 4 ways, for example, as 16908544 + 23600164 = 4112^2 + 4858^2 .

It is not an unprimeable number, because it can be changed into a prime (40508701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14618 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (3079125).

Almost surely, 2^40508708 is an apocalyptic number.

It is an amenable number.

40508708 is a deficient number, since it is larger than the sum of its proper divisors (33390292).

40508708 is a wasteful number, since it uses less digits than its factorization.

40508708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 40508708 is about 6364.6451590014. The cubic root of 40508708 is about 343.4388837716.

The spelling of 40508708 in words is "forty million, five hundred eight thousand, seven hundred eight".