1441144320402 has 64 divisors (see below), whose sum is σ = 2998706780160. Its totient is φ = 461169945600.

The previous prime is 1441144320397. The next prime is 1441144320467. The reversal of 1441144320402 is 2040234411441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1441144320402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79519902 + ... + 79538022.

It is an arithmetic number, because the mean of its divisors is an integer number (46854793440).

Almost surely, 2^{1441144320402} is an apocalyptic number.

1441144320402 is an abundant number, since it is smaller than the sum of its proper divisors (1557562459758).

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

1441144320402 is a wasteful number, since it uses less digits than its factorization.

1441144320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20739.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1441144320402 its reverse (2040234411441), we get a palindrome (3481378731843).

The spelling of 1441144320402 in words is "one trillion, four hundred forty-one billion, one hundred forty-four million, three hundred twenty thousand, four hundred two".