40131361664063 has 8 divisors (see below), whose sum is σ = 41876347470048. Its totient is φ = 38386387857664.

The previous prime is 40131361664047. The next prime is 40131361664113. The reversal of 40131361664063 is 36046616313104.

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 40131361664063 - 2⁴ = 40131361664047 is a prime.

It is a super-2 number, since 2×40131361664063² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131361664363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202231 + ... + 9895527.

It is an arithmetic number, because the mean of its divisors is an integer number (5234543433756).

Almost surely, 2^{40131361664063} is an apocalyptic number.

40131361664063 is a deficient number, since it is larger than the sum of its proper divisors (1744985805985).

40131361664063 is a wasteful number, since it uses less digits than its factorization.

40131361664063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999793.

The product of its (nonzero) digits is 559872, while the sum is 44.

Adding to 40131361664063 its reverse (36046616313104), we get a palindrome (76177977977167).

The spelling of 40131361664063 in words is "forty trillion, one hundred thirty-one billion, three hundred sixty-one million, six hundred sixty-four thousand, sixty-three".