40004073667067 has 4 divisors (see below), whose sum is σ = 41085264847296. Its totient is φ = 38922882486840.

The previous prime is 40004073667049. The next prime is 40004073667097. The reversal of 40004073667067 is 76076637040004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40004073667067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40004073667097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540595590059 + ... + 540595590132.

It is an arithmetic number, because the mean of its divisors is an integer number (10271316211824).

Almost surely, 2^{40004073667067} is an apocalyptic number.

40004073667067 is a deficient number, since it is larger than the sum of its proper divisors (1081191180229).

40004073667067 is a wasteful number, since it uses less digits than its factorization.

40004073667067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081191180228.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 40004073667067 in words is "forty trillion, four billion, seventy-three million, six hundred sixty-seven thousand, sixty-seven".