40400230213 has 4 divisors (see below), whose sum is σ = 46171691680. Its totient is φ = 34628768748.

The previous prime is 40400230183. The next prime is 40400230231. The reversal of 40400230213 is 31203200404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40400230213 - 2¹⁷ = 40400099141 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 (40400236213) 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, 2885730723 + ... + 2885730736.

It is an arithmetic number, because the mean of its divisors is an integer number (11542922920).

Almost surely, 2^40400230213 is an apocalyptic number.

It is an amenable number.

40400230213 is a deficient number, since it is larger than the sum of its proper divisors (5771461467).

40400230213 is an equidigital number, since it uses as much as digits as its factorization.

40400230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771461466.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40400230213 its reverse (31203200404), we get a palindrome (71603430617).

The spelling of 40400230213 in words is "forty billion, four hundred million, two hundred thirty thousand, two hundred thirteen".