2444440452 has 12 divisors (see below), whose sum is σ = 5703694416. Its totient is φ = 814813480.

The previous prime is 2444440451. The next prime is 2444440463. The reversal of 2444440452 is 2540444442.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2444440451) 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, 101851674 + ... + 101851697.

It is an arithmetic number, because the mean of its divisors is an integer number (475307868).

Almost surely, 2^2444440452 is an apocalyptic number.

It is an amenable number.

2444440452 is an abundant number, since it is smaller than the sum of its proper divisors (3259253964).

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

2444440452 is a wasteful number, since it uses less digits than its factorization.

2444440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203703378 (or 203703376 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

The square root of 2444440452 is about 49441.2828717055. The cubic root of 2444440452 is about 1347.0792734907.

Adding to 2444440452 its reverse (2540444442), we get a palindrome (4984884894).

The spelling of 2444440452 in words is "two billion, four hundred forty-four million, four hundred forty thousand, four hundred fifty-two".