2444442556 has 24 divisors (see below), whose sum is σ = 4324960640. Its totient is φ = 1208770992.

The previous prime is 2444442551. The next prime is 2444442557. The reversal of 2444442556 is 6552444442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444442551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350455 + ... + 357361.

Almost surely, 2^2444442556 is an apocalyptic number.

It is an amenable number.

2444442556 is a deficient number, since it is larger than the sum of its proper divisors (1880518084).

2444442556 is a wasteful number, since it uses less digits than its factorization.

2444442556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873 (or 7871 counting only the distinct ones).

The product of its digits is 614400, while the sum is 40.

The square root of 2444442556 is about 49441.3041494660. The cubic root of 2444442556 is about 1347.0796599805.

Adding to 2444442556 its reverse (6552444442), we get a palindrome (8996886998).

The spelling of 2444442556 in words is "two billion, four hundred forty-four million, four hundred forty-two thousand, five hundred fifty-six".