40240568 has 16 divisors (see below), whose sum is σ = 76875480. Its totient is φ = 19740448.

The previous prime is 40240559. The next prime is 40240597. The reversal of 40240568 is 86504204.

It is a self number, because there is not a number n which added to its sum of digits gives 40240568.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47030 + ... + 47877.

Almost surely, 2^40240568 is an apocalyptic number.

It is an amenable number.

40240568 is a deficient number, since it is larger than the sum of its proper divisors (36634912).

40240568 is a wasteful number, since it uses less digits than its factorization.

40240568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94966 (or 94962 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40240568 is about 6343.5453809364. The cubic root of 40240568 is about 342.6794286018.

The spelling of 40240568 in words is "forty million, two hundred forty thousand, five hundred sixty-eight".