40230320213 has 4 divisors (see below), whose sum is σ = 40242510828. Its totient is φ = 40218129600.

The previous prime is 40230320203. The next prime is 40230320231. The reversal of 40230320213 is 31202303204.

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 6974421169 + 33255899044 = 83513^2 + 182362^2 .

It is a cyclic number.

It is not a de Polignac number, because 40230320213 - 2⁴ = 40230320197 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 (40230320203) 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, 6090356 + ... + 6096957.

It is an arithmetic number, because the mean of its divisors is an integer number (10060627707).

Almost surely, 2^40230320213 is an apocalyptic number.

It is an amenable number.

40230320213 is a deficient number, since it is larger than the sum of its proper divisors (12190615).

40230320213 is a wasteful number, since it uses less digits than its factorization.

40230320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190614.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40230320213 its reverse (31202303204), we get a palindrome (71432623417).

The spelling of 40230320213 in words is "forty billion, two hundred thirty million, three hundred twenty thousand, two hundred thirteen".