40567738 has 4 divisors (see below), whose sum is σ = 60851610. Its totient is φ = 20283868.

The previous prime is 40567733. The next prime is 40567753. The reversal of 40567738 is 83776504.

40567738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28547649 + 12020089 = 5343^2 + 3467^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40567738.

It is not an unprimeable number, because it can be changed into a prime (40567733) 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, 10141933 + ... + 10141936.

Almost surely, 2^40567738 is an apocalyptic number.

40567738 is a deficient number, since it is larger than the sum of its proper divisors (20283872).

40567738 is a wasteful number, since it uses less digits than its factorization.

40567738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283871.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 40567738 is about 6369.2808071241. The cubic root of 40567738 is about 343.6056245276.

The spelling of 40567738 in words is "forty million, five hundred sixty-seven thousand, seven hundred thirty-eight".