40667438133 has 36 divisors (see below), whose sum is σ = 70536655488. Its totient is φ = 22488898320.

The previous prime is 40667438087. The next prime is 40667438153. The reversal of 40667438133 is 33183476604.

It is not a de Polignac number, because 40667438133 - 2⁶ = 40667438069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40667438153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1473691 + ... + 1501032.

Almost surely, 2^40667438133 is an apocalyptic number.

It is an amenable number.

40667438133 is a deficient number, since it is larger than the sum of its proper divisors (29869217355).

40667438133 is a wasteful number, since it uses less digits than its factorization.

40667438133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974774 (or 2974764 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 40667438133 in words is "forty billion, six hundred sixty-seven million, four hundred thirty-eight thousand, one hundred thirty-three".