40667361 has 16 divisors (see below), whose sum is σ = 63289344. Its totient is φ = 22743504.

The previous prime is 40667357. The next prime is 40667399. The reversal of 40667361 is 16376604.

It is not a de Polignac number, because 40667361 - 2² = 40667357 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40667311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19615 + ... + 21588.

It is an arithmetic number, because the mean of its divisors is an integer number (3955584).

Almost surely, 2^40667361 is an apocalyptic number.

It is an amenable number.

40667361 is a deficient number, since it is larger than the sum of its proper divisors (22621983).

40667361 is a wasteful number, since it uses less digits than its factorization.

40667361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41260.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40667361 is about 6377.0965964144. The cubic root of 40667361 is about 343.8866609898.

The spelling of 40667361 in words is "forty million, six hundred sixty-seven thousand, three hundred sixty-one".