40667636 has 6 divisors (see below), whose sum is σ = 71168370. Its totient is φ = 20333816.

The previous prime is 40667633. The next prime is 40667639. The reversal of 40667636 is 63676604.

40667636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40667633) and next prime (40667639).

It can be written as a sum of positive squares in only one way, i.e., 26977636 + 13690000 = 5194^2 + 3700^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40667636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40667633) 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, 5083451 + ... + 5083458.

It is an arithmetic number, because the mean of its divisors is an integer number (11861395).

Almost surely, 2^40667636 is an apocalyptic number.

It is an amenable number.

40667636 is a deficient number, since it is larger than the sum of its proper divisors (30500734).

40667636 is a wasteful number, since it uses less digits than its factorization.

40667636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166913 (or 10166911 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 40667636 is about 6377.1181579143. The cubic root of 40667636 is about 343.8874361292.

The spelling of 40667636 in words is "forty million, six hundred sixty-seven thousand, six hundred thirty-six".