40032244213 has 4 divisors (see below), whose sum is σ = 43111647628. Its totient is φ = 36952840800.

The previous prime is 40032244207. The next prime is 40032244229. The reversal of 40032244213 is 31244223004.

It is a happy number.

40032244213 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2542378084 + 37489866129 = 50422^2 + 193623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40032244213 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 (40032244913) 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, 1539701688 + ... + 1539701713.

It is an arithmetic number, because the mean of its divisors is an integer number (10777911907).

Almost surely, 2^40032244213 is an apocalyptic number.

It is an amenable number.

40032244213 is a deficient number, since it is larger than the sum of its proper divisors (3079403415).

40032244213 is a wasteful number, since it uses less digits than its factorization.

40032244213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079403414.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40032244213 its reverse (31244223004), we get a palindrome (71276467217).

The spelling of 40032244213 in words is "forty billion, thirty-two million, two hundred forty-four thousand, two hundred thirteen".