40881956967 has 6 divisors (see below), whose sum is σ = 59051715632. Its totient is φ = 27254637972.

The previous prime is 40881956939. The next prime is 40881957001. The reversal of 40881956967 is 76965918804.

40881956967 is a `hidden beast` number, since 4 + 0 + 8 + 8 + 1 + 9 + 569 + 67 = 666.

It is not a de Polignac number, because 40881956967 - 2¹⁸ = 40881694823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40881956567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2271219823 + ... + 2271219840.

Almost surely, 2^40881956967 is an apocalyptic number.

40881956967 is a deficient number, since it is larger than the sum of its proper divisors (18169758665).

40881956967 is a wasteful number, since it uses less digits than its factorization.

40881956967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542439669 (or 4542439666 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 40881956967 in words is "forty billion, eight hundred eighty-one million, nine hundred fifty-six thousand, nine hundred sixty-seven".