40081263636912 has 40 divisors (see below), whose sum is σ = 103571046790656. Its totient is φ = 13356836387136.

The previous prime is 40081263636889. The next prime is 40081263636913. The reversal of 40081263636912 is 21963636218004.

It is not an unprimeable number, because it can be changed into a prime (40081263636913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111845028 + ... + 112202819.

Almost surely, 2^{40081263636912} is an apocalyptic number.

It is an amenable number.

40081263636912 is an abundant number, since it is smaller than the sum of its proper divisors (63489783153744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40081263636912 is a wasteful number, since it uses less digits than its factorization.

40081263636912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224051585 (or 224051579 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 40081263636912 in words is "forty trillion, eighty-one billion, two hundred sixty-three million, six hundred thirty-six thousand, nine hundred twelve".