40385964 has 24 divisors (see below), whose sum is σ = 94340848. Its totient is φ = 13446720.

The previous prime is 40385959. The next prime is 40385971. The reversal of 40385964 is 46958304.

40385964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 15354 + ... + 17790.

Almost surely, 2^40385964 is an apocalyptic number.

It is an amenable number.

40385964 is an abundant number, since it is smaller than the sum of its proper divisors (53954884).

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

40385964 is a wasteful number, since it uses less digits than its factorization.

40385964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40385964 is about 6354.9952006276. The cubic root of 40385964 is about 343.0916521617.

The spelling of 40385964 in words is "forty million, three hundred eighty-five thousand, nine hundred sixty-four".