40200996065 has 8 divisors (see below), whose sum is σ = 48783231720. Its totient is φ = 31799439232.

The previous prime is 40200996053. The next prime is 40200996067. The reversal of 40200996065 is 56069900204.

It can be written as a sum of positive squares in 4 ways, for example, as 961744144 + 39239251921 = 31012^2 + 198089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40200996065 - 2⁴ = 40200996049 is a prime.

It is a super-2 number, since 2×40200996065² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40200996067) 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, 45169214 + ... + 45170103.

It is an arithmetic number, because the mean of its divisors is an integer number (6097903965).

Almost surely, 2^40200996065 is an apocalyptic number.

It is an amenable number.

40200996065 is a deficient number, since it is larger than the sum of its proper divisors (8582235655).

40200996065 is an equidigital number, since it uses as much as digits as its factorization.

40200996065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90339411.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 40200996065 in words is "forty billion, two hundred million, nine hundred ninety-six thousand, sixty-five".