40081876568 has 8 divisors (see below), whose sum is σ = 75153518580. Its totient is φ = 20040938280.

The previous prime is 40081876547. The next prime is 40081876603. The reversal of 40081876568 is 86567818004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505117278 + ... + 2505117293.

Almost surely, 2^40081876568 is an apocalyptic number.

It is an amenable number.

40081876568 is a deficient number, since it is larger than the sum of its proper divisors (35071642012).

40081876568 is a wasteful number, since it uses less digits than its factorization.

40081876568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010234577 (or 5010234573 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 40081876568 in words is "forty billion, eighty-one million, eight hundred seventy-six thousand, five hundred sixty-eight".