4400144242 has 8 divisors (see below), whose sum is σ = 7107925356. Its totient is φ = 2030835792.

The previous prime is 4400144233. The next prime is 4400144249. The reversal of 4400144242 is 2424410044.

It can be written as a sum of positive squares in 2 ways, for example, as 4087172761 + 312971481 = 63931^2 + 17691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4400144242² = 38722538700811509128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4400144249) 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, 84618133 + ... + 84618184.

Almost surely, 2^4400144242 is an apocalyptic number.

4400144242 is a deficient number, since it is larger than the sum of its proper divisors (2707781114).

4400144242 is a wasteful number, since it uses less digits than its factorization.

4400144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169236332.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4400144242 is about 66333.5830631815. The cubic root of 4400144242 is about 1638.6604471479.

Adding to 4400144242 its reverse (2424410044), we get a palindrome (6824554286).

The spelling of 4400144242 in words is "four billion, four hundred million, one hundred forty-four thousand, two hundred forty-two".