40105781716136 has 32 divisors (see below), whose sum is σ = 79573014576000. Its totient is φ = 18910870735680.

The previous prime is 40105781716127. The next prime is 40105781716241. The reversal of 40105781716136 is 63161718750104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534960211 + ... + 1534986338.

It is an arithmetic number, because the mean of its divisors is an integer number (2486656705500).

Almost surely, 2^{40105781716136} is an apocalyptic number.

40105781716136 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40105781716136 is a deficient number, since it is larger than the sum of its proper divisors (39467232859864).

40105781716136 is a wasteful number, since it uses less digits than its factorization.

40105781716136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069946649 (or 3069946645 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 40105781716136 in words is "forty trillion, one hundred five billion, seven hundred eighty-one million, seven hundred sixteen thousand, one hundred thirty-six".