4431244401 has 10 divisors (see below), whose sum is σ = 6619513362. Its totient is φ = 2954162880.

The previous prime is 4431244397. The next prime is 4431244417. The reversal of 4431244401 is 1044421344.

It can be written as a sum of positive squares in only one way, i.e., 3675269376 + 755975025 = 60624^2 + 27495^2 .

It is not a de Polignac number, because 4431244401 - 2² = 4431244397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4431244001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27353280 + ... + 27353441.

Almost surely, 2^4431244401 is an apocalyptic number.

It is an amenable number.

4431244401 is a deficient number, since it is larger than the sum of its proper divisors (2188268961).

4431244401 is an equidigital number, since it uses as much as digits as its factorization.

4431244401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54706733 (or 54706724 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4431244401 is about 66567.5927234867. The cubic root of 4431244401 is about 1642.5120634630.

Adding to 4431244401 its reverse (1044421344), we get a palindrome (5475665745).

It can be divided in two parts, 4431 and 244401, that added together give a 5-th power (248832 = 12⁵).

The spelling of 4431244401 in words is "four billion, four hundred thirty-one million, two hundred forty-four thousand, four hundred one".