40165713223601 has 16 divisors (see below), whose sum is σ = 49400673333120. Its totient is φ = 31871402138880.

The previous prime is 40165713223583. The next prime is 40165713223613. The reversal of 40165713223601 is 10632231756104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40165713223601 is a prime.

It is a super-2 number, since 2×40165713223601² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40165713223631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766607511 + ... + 2766622028.

It is an arithmetic number, because the mean of its divisors is an integer number (3087542083320).

Almost surely, 2^{40165713223601} is an apocalyptic number.

It is an amenable number.

40165713223601 is a deficient number, since it is larger than the sum of its proper divisors (9234960109519).

40165713223601 is a wasteful number, since it uses less digits than its factorization.

40165713223601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533229624.

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 40165713223601 its reverse (10632231756104), we get a palindrome (50797944979705).

The spelling of 40165713223601 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirteen million, two hundred twenty-three thousand, six hundred one".