40312103726505 has 24 divisors (see below), whose sum is σ = 69842508709248. Its totient is φ = 19845958756416.

The previous prime is 40312103726441. The next prime is 40312103726513. The reversal of 40312103726505 is 50562730121304.

It is not a de Polignac number, because 40312103726505 - 2⁶ = 40312103726441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7951102737 + ... + 7951107806.

It is an arithmetic number, because the mean of its divisors is an integer number (2910104529552).

Almost surely, 2^{40312103726505} is an apocalyptic number.

It is an amenable number.

40312103726505 is a deficient number, since it is larger than the sum of its proper divisors (29530404982743).

40312103726505 is a wasteful number, since it uses less digits than its factorization.

40312103726505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902210577 (or 15902210564 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

Adding to 40312103726505 its reverse (50562730121304), we get a palindrome (90874833847809).

The spelling of 40312103726505 in words is "forty trillion, three hundred twelve billion, one hundred three million, seven hundred twenty-six thousand, five hundred five".