40445308 has 6 divisors (see below), whose sum is σ = 70779296. Its totient is φ = 20222652.

The previous prime is 40445303. The next prime is 40445369. The reversal of 40445308 is 80354404.

40445308 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 (40445303) 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 as a sum of consecutive naturals, namely, 5055660 + ... + 5055667.

Almost surely, 2^40445308 is an apocalyptic number.

It is an amenable number.

40445308 is a deficient number, since it is larger than the sum of its proper divisors (30333988).

40445308 is a wasteful number, since it uses less digits than its factorization.

40445308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111331 (or 10111329 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40445308 is about 6359.6625696652. The cubic root of 40445308 is about 343.2596186566.

The spelling of 40445308 in words is "forty million, four hundred forty-five thousand, three hundred eight".