2444444442 has 48 divisors (see below), whose sum is σ = 5933951712. Its totient is φ = 720718560.

The previous prime is 2444444407. The next prime is 2444444447.

2444444442 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2444444397 and 2444444406.

It is not an unprimeable number, because it can be changed into a prime (2444444447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159508 + ... + 174159.

It is an arithmetic number, because the mean of its divisors is an integer number (123623994).

Almost surely, 2^2444444442 is an apocalyptic number.

2444444442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2444444442 is an abundant number, since it is smaller than the sum of its proper divisors (3489507270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2444444442 is a wasteful number, since it uses less digits than its factorization.

2444444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333723 (or 333720 counting only the distinct ones).

The product of its digits is 262144, while the sum is 36.

The square root of 2444444442 is about 49441.3232225838. The cubic root of 2444444442 is about 1347.0800064250.

It can be divided in two parts, 24444 and 44442, that added together give a palindrome (68886).

The spelling of 2444444442 in words is "two billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".