43402320241 has 4 divisors (see below), whose sum is σ = 49602651712. Its totient is φ = 37201988772.

The previous prime is 43402320229. The next prime is 43402320301. The reversal of 43402320241 is 14202320434.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 43402320241 - 2¹³ = 43402312049 is a prime.

It is a super-2 number, since 2×43402320241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43402323241) 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, 3100165725 + ... + 3100165738.

It is an arithmetic number, because the mean of its divisors is an integer number (12400662928).

Almost surely, 2^43402320241 is an apocalyptic number.

It is an amenable number.

43402320241 is a deficient number, since it is larger than the sum of its proper divisors (6200331471).

43402320241 is an equidigital number, since it uses as much as digits as its factorization.

43402320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200331470.

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

Adding to 43402320241 its reverse (14202320434), we get a palindrome (57604640675).

The spelling of 43402320241 in words is "forty-three billion, four hundred two million, three hundred twenty thousand, two hundred forty-one".