40064308 has 12 divisors (see below), whose sum is σ = 74236932. Its totient is φ = 18853760.

The previous prime is 40064279. The next prime is 40064327. The reversal of 40064308 is 80346004.

It can be written as a sum of positive squares in 2 ways, for example, as 13972644 + 26091664 = 3738^2 + 5108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294523 + ... + 294658.

It is an arithmetic number, because the mean of its divisors is an integer number (6186411).

Almost surely, 2^40064308 is an apocalyptic number.

It is an amenable number.

40064308 is a deficient number, since it is larger than the sum of its proper divisors (34172624).

40064308 is a wasteful number, since it uses less digits than its factorization.

40064308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589202 (or 589200 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40064308 is about 6329.6372723877. The cubic root of 40064308 is about 342.1783664277.

The spelling of 40064308 in words is "forty million, sixty-four thousand, three hundred eight".