40085704256361 has 4 divisors (see below), whose sum is σ = 53447605675152. Its totient is φ = 26723802837572.

The previous prime is 40085704256327. The next prime is 40085704256401. The reversal of 40085704256361 is 16365240758004.

40085704256361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40085704256361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40085704256461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680950709391 + ... + 6680950709396.

It is an arithmetic number, because the mean of its divisors is an integer number (13361901418788).

Almost surely, 2^{40085704256361} is an apocalyptic number.

It is an amenable number.

40085704256361 is a deficient number, since it is larger than the sum of its proper divisors (13361901418791).

40085704256361 is a wasteful number, since it uses less digits than its factorization.

40085704256361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361901418790.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 40085704256361 in words is "forty trillion, eighty-five billion, seven hundred four million, two hundred fifty-six thousand, three hundred sixty-one".