40322982165993 has 12 divisors (see below), whose sum is σ = 58244376721908. Its totient is φ = 26881956195840.

The previous prime is 40322982165979. The next prime is 40322982166001. The reversal of 40322982165993 is 39956128922304.

40322982165993 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 29 + 8 + 2 + 16 + 599 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32105403142569 + 8217579023424 = 5666163^2 + 2866632^2 .

It is not a de Polignac number, because 40322982165993 - 2¹⁸ = 40322981903849 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40322982165993.

It is not an unprimeable number, because it can be changed into a prime (40322982165913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7308753 + ... + 11578593.

It is an arithmetic number, because the mean of its divisors is an integer number (4853698060159).

Almost surely, 2^{40322982165993} is an apocalyptic number.

It is an amenable number.

40322982165993 is a deficient number, since it is larger than the sum of its proper divisors (17921394555915).

40322982165993 is a wasteful number, since it uses less digits than its factorization.

40322982165993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319144 (or 5319141 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 40322982165993 in words is "forty trillion, three hundred twenty-two billion, nine hundred eighty-two million, one hundred sixty-five thousand, nine hundred ninety-three".