1002444221324 has 48 divisors (see below), whose sum is σ = 2172356836608. Its totient is φ = 394138363968.

The previous prime is 1002444221309. The next prime is 1002444221347. The reversal of 1002444221324 is 4231224442001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8388422 + ... + 8507085.

It is an arithmetic number, because the mean of its divisors is an integer number (45257434096).

Almost surely, 2^{1002444221324} is an apocalyptic number.

1002444221324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1002444221324 is an abundant number, since it is smaller than the sum of its proper divisors (1169912615284).

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

1002444221324 is a wasteful number, since it uses less digits than its factorization.

1002444221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16895694 (or 16895692 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1002444221324 its reverse (4231224442001), we get a palindrome (5233668663325).

The spelling of 1002444221324 in words is "one trillion, two billion, four hundred forty-four million, two hundred twenty-one thousand, three hundred twenty-four".