40440400313 has 8 divisors (see below), whose sum is σ = 41783760576. Its totient is φ = 39118534000.

The previous prime is 40440400289. The next prime is 40440400321. The reversal of 40440400313 is 31300404404.

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 40440400313 - 2⁶ = 40440400249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40440403313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5369663 + ... + 5377188.

It is an arithmetic number, because the mean of its divisors is an integer number (5222970072).

Almost surely, 2^40440400313 is an apocalyptic number.

It is an amenable number.

40440400313 is a deficient number, since it is larger than the sum of its proper divisors (1343360263).

40440400313 is a wasteful number, since it uses less digits than its factorization.

40440400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746975.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40440400313 its reverse (31300404404), we get a palindrome (71740804717).

The spelling of 40440400313 in words is "forty billion, four hundred forty million, four hundred thousand, three hundred thirteen".