40968072013 has 8 divisors (see below), whose sum is σ = 47321409600. Its totient is φ = 35052895680.

The previous prime is 40968072011. The next prime is 40968072043. The reversal of 40968072013 is 31027086904.

40968072013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40968072013 - 2¹ = 40968072011 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 (40968072011) 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, 109540113 + ... + 109540486.

It is an arithmetic number, because the mean of its divisors is an integer number (5915176200).

Almost surely, 2^40968072013 is an apocalyptic number.

It is an amenable number.

40968072013 is a deficient number, since it is larger than the sum of its proper divisors (6353337587).

40968072013 is a wasteful number, since it uses less digits than its factorization.

40968072013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219080627.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 40968072013 in words is "forty billion, nine hundred sixty-eight million, seventy-two thousand, thirteen".