40967138 has 4 divisors (see below), whose sum is σ = 61450710. Its totient is φ = 20483568.

The previous prime is 40967137. The next prime is 40967149. The reversal of 40967138 is 83176904.

40967138 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., 33443089 + 7524049 = 5783^2 + 2743^2 .

It is a super-2 number, since 2×40967138² = 3356612791822088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40967131) 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, 10241783 + ... + 10241786.

Almost surely, 2^40967138 is an apocalyptic number.

40967138 is a deficient number, since it is larger than the sum of its proper divisors (20483572).

40967138 is a wasteful number, since it uses less digits than its factorization.

40967138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20483571.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40967138 is about 6400.5576319568. The cubic root of 40967138 is about 344.7295731415.

The spelling of 40967138 in words is "forty million, nine hundred sixty-seven thousand, one hundred thirty-eight".