40751019359991 has 32 divisors (see below), whose sum is σ = 60437418762240. Its totient is φ = 27137870100000.

The previous prime is 40751019359971. The next prime is 40751019360013. The reversal of 40751019359991 is 19995391015704.

40751019359991 is a `hidden beast` number, since 407 + 5 + 1 + 0 + 1 + 93 + 59 + 9 + 91 = 666.

It is not a de Polignac number, because 40751019359991 - 2¹⁰ = 40751019358967 is a prime.

It is a super-2 number, since 2×40751019359991² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40751019359971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91871241 + ... + 92313741.

It is an arithmetic number, because the mean of its divisors is an integer number (1888669336320).

Almost surely, 2^{40751019359991} is an apocalyptic number.

40751019359991 is a deficient number, since it is larger than the sum of its proper divisors (19686399402249).

40751019359991 is a wasteful number, since it uses less digits than its factorization.

40751019359991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446204 (or 446198 counting only the distinct ones).

The product of its (nonzero) digits is 13778100, while the sum is 63.

The spelling of 40751019359991 in words is "forty trillion, seven hundred fifty-one billion, nineteen million, three hundred fifty-nine thousand, nine hundred ninety-one".