1002444450 has 144 divisors (see below), whose sum is σ = 2992308480. Its totient is φ = 221182080.

The previous prime is 1002444449. The next prime is 1002444473. The reversal of 1002444450 is 544442001.

It is a happy number.

1002444450 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1002444450.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 210799 + ... + 215501.

It is an arithmetic number, because the mean of its divisors is an integer number (20779920).

Almost surely, 2^1002444450 is an apocalyptic number.

1002444450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002444450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496154240).

1002444450 is an abundant number, since it is smaller than the sum of its proper divisors (1989864030).

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

1002444450 is a wasteful number, since it uses less digits than its factorization.

1002444450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1002444450 is about 31661.4031590516. The cubic root of 1002444450 is about 1000.8141536406.

Adding to 1002444450 its reverse (544442001), we get a palindrome (1546886451).

The spelling of 1002444450 in words is "one billion, two million, four hundred forty-four thousand, four hundred fifty".