4252444441 has 4 divisors (see below), whose sum is σ = 4859936512. Its totient is φ = 3644952372.

The previous prime is 4252444439. The next prime is 4252444477. The reversal of 4252444441 is 1444442524.

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 4252444441 - 2¹ = 4252444439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4252444397 and 4252444406.

It is not an unprimeable number, because it can be changed into a prime (4252445441) 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, 303746025 + ... + 303746038.

It is an arithmetic number, because the mean of its divisors is an integer number (1214984128).

Almost surely, 2^4252444441 is an apocalyptic number.

It is an amenable number.

4252444441 is a deficient number, since it is larger than the sum of its proper divisors (607492071).

4252444441 is an equidigital number, since it uses as much as digits as its factorization.

4252444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607492070.

The product of its digits is 81920, while the sum is 34.

The square root of 4252444441 is about 65210.7693636565. The cubic root of 4252444441 is about 1620.1163917035.

Adding to 4252444441 its reverse (1444442524), we get a palindrome (5696886965).

The spelling of 4252444441 in words is "four billion, two hundred fifty-two million, four hundred forty-four thousand, four hundred forty-one".