40311267817 has 4 divisors (see below), whose sum is σ = 40315050496. Its totient is φ = 40307485140.

The previous prime is 40311267811. The next prime is 40311267839. The reversal of 40311267817 is 71876211304.

It is a happy number.

40311267817 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 not a de Polignac number, because 40311267817 - 2¹⁵ = 40311235049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40311267817.

It is not an unprimeable number, because it can be changed into a prime (40311267811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875309 + ... + 1896682.

It is an arithmetic number, because the mean of its divisors is an integer number (10078762624).

Almost surely, 2^40311267817 is an apocalyptic number.

It is an amenable number.

40311267817 is a deficient number, since it is larger than the sum of its proper divisors (3782679).

40311267817 is a wasteful number, since it uses less digits than its factorization.

40311267817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782678.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 40311267817 in words is "forty billion, three hundred eleven million, two hundred sixty-seven thousand, eight hundred seventeen".