1002444448 has 12 divisors (see below), whose sum is σ = 1973562570. Its totient is φ = 501222208.

The previous prime is 1002444439. The next prime is 1002444449. The reversal of 1002444448 is 8444442001.

It can be written as a sum of positive squares in only one way, i.e., 674544784 + 327899664 = 25972^2 + 18108^2 .

It is not an unprimeable number, because it can be changed into a prime (1002444449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15663163 + ... + 15663226.

Almost surely, 2^1002444448 is an apocalyptic number.

It is an amenable number.

1002444448 is a deficient number, since it is larger than the sum of its proper divisors (971118122).

1002444448 is an equidigital number, since it uses as much as digits as its factorization.

1002444448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326399 (or 31326391 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

The square root of 1002444448 is about 31661.4031274674. The cubic root of 1002444448 is about 1000.8141529750.

Adding to 1002444448 its reverse (8444442001), we get a palindrome (9446886449).

The spelling of 1002444448 in words is "one billion, two million, four hundred forty-four thousand, four hundred forty-eight".