43400240213 has 8 divisors (see below), whose sum is σ = 47350254240. Its totient is φ = 39450982480.

The previous prime is 43400240189. The next prime is 43400240231. The reversal of 43400240213 is 31204200434.

43400240213 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 a cyclic number.

It is not a de Polignac number, because 43400240213 - 2⁸ = 43400239957 is a prime.

It is a super-2 number, since 2×43400240213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43400240113) 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, 65570 + ... + 301827.

It is an arithmetic number, because the mean of its divisors is an integer number (5918781780).

Almost surely, 2^43400240213 is an apocalyptic number.

It is an amenable number.

43400240213 is a deficient number, since it is larger than the sum of its proper divisors (3950014027).

43400240213 is a wasteful number, since it uses less digits than its factorization.

43400240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378147.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43400240213 its reverse (31204200434), we get a palindrome (74604440647).

The spelling of 43400240213 in words is "forty-three billion, four hundred million, two hundred forty thousand, two hundred thirteen".