40104040313 has 4 divisors (see below), whose sum is σ = 40195393920. Its totient is φ = 40012686708.

The previous prime is 40104040307. The next prime is 40104040337. The reversal of 40104040313 is 31304040104.

It is a happy number.

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 40104040313 - 2²⁰ = 40102991737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40104040363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45676145 + ... + 45677022.

It is an arithmetic number, because the mean of its divisors is an integer number (10048848480).

Almost surely, 2^40104040313 is an apocalyptic number.

It is an amenable number.

40104040313 is a deficient number, since it is larger than the sum of its proper divisors (91353607).

40104040313 is an equidigital number, since it uses as much as digits as its factorization.

40104040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91353606.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40104040313 its reverse (31304040104), we get a palindrome (71408080417).

The spelling of 40104040313 in words is "forty billion, one hundred four million, forty thousand, three hundred thirteen".