40245171331013 has 8 divisors (see below), whose sum is σ = 43909831818720. Its totient is φ = 36581512268080.

The previous prime is 40245171331003. The next prime is 40245171331039. The reversal of 40245171331013 is 31013317154204.

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 40245171331013 - 2²⁶ = 40245104222149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245171331003) 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, 250272158 + ... + 250432911.

It is an arithmetic number, because the mean of its divisors is an integer number (5488728977340).

Almost surely, 2^{40245171331013} is an apocalyptic number.

It is an amenable number.

40245171331013 is a deficient number, since it is larger than the sum of its proper divisors (3664660487707).

40245171331013 is a wasteful number, since it uses less digits than its factorization.

40245171331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500712387.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 40245171331013 its reverse (31013317154204), we get a palindrome (71258488485217).

The spelling of 40245171331013 in words is "forty trillion, two hundred forty-five billion, one hundred seventy-one million, three hundred thirty-one thousand, thirteen".