40737340404065 has 8 divisors (see below), whose sum is σ = 49061287939560. Its totient is φ = 32472219353472.

The previous prime is 40737340404049. The next prime is 40737340404067. The reversal of 40737340404065 is 56040404373704.

It can be written as a sum of positive squares in 4 ways, for example, as 486829943824 + 40250510460241 = 697732^2 + 6344329^2 .

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 40737340404065 - 2⁴ = 40737340404049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40737340404067) 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, 14706619700 + ... + 14706622469.

It is an arithmetic number, because the mean of its divisors is an integer number (6132660992445).

Almost surely, 2^{40737340404065} is an apocalyptic number.

It is an amenable number.

40737340404065 is a deficient number, since it is larger than the sum of its proper divisors (8323947535495).

40737340404065 is a wasteful number, since it uses less digits than its factorization.

40737340404065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29413242451.

The product of its (nonzero) digits is 3386880, while the sum is 47.

Adding to 40737340404065 its reverse (56040404373704), we get a palindrome (96777744777769).

The spelling of 40737340404065 in words is "forty trillion, seven hundred thirty-seven billion, three hundred forty million, four hundred four thousand, sixty-five".