40404031067 has 2 divisors, whose sum is σ = 40404031068. Its totient is φ = 40404031066.

The previous prime is 40404031039. The next prime is 40404031099. The reversal of 40404031067 is 76013040404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40404031067 is a prime.

It is a super-3 number, since 3×40404031067³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40404033067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202015533 + 20202015534.

It is an arithmetic number, because the mean of its divisors is an integer number (20202015534).

Almost surely, 2^40404031067 is an apocalyptic number.

40404031067 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404031067 is an equidigital number, since it uses as much as digits as its factorization.

40404031067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 40404031067 in words is "forty billion, four hundred four million, thirty-one thousand, sixty-seven".