4400350243 has 4 divisors (see below), whose sum is σ = 4402224288. Its totient is φ = 4398476200.

The previous prime is 4400350219. The next prime is 4400350247. The reversal of 4400350243 is 3420530044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4400350243 is a prime.

It is a super-2 number, since 2×4400350243² = 38726164522140318098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400350247) 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, 933496 + ... + 938197.

It is an arithmetic number, because the mean of its divisors is an integer number (1100556072).

Almost surely, 2^4400350243 is an apocalyptic number.

4400350243 is a deficient number, since it is larger than the sum of its proper divisors (1874045).

4400350243 is a wasteful number, since it uses less digits than its factorization.

4400350243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874044.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 4400350243 is about 66335.1358105190. The cubic root of 4400350243 is about 1638.6860190689.

Adding to 4400350243 its reverse (3420530044), we get a palindrome (7820880287).

The spelling of 4400350243 in words is "four billion, four hundred million, three hundred fifty thousand, two hundred forty-three".