1444102021140 has 24 divisors (see below), whose sum is σ = 4043485659360. Its totient is φ = 385093872288.

The previous prime is 1444102021133. The next prime is 1444102021147. The reversal of 1444102021140 is 411202014441.

It is an interprime number because it is at equal distance from previous prime (1444102021133) and next prime (1444102021147).

It is a self number, because there is not a number n which added to its sum of digits gives 1444102021140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444102021147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12034183450 + ... + 12034183569.

It is an arithmetic number, because the mean of its divisors is an integer number (168478569140).

Almost surely, 2^{1444102021140} is an apocalyptic number.

1444102021140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444102021140 is an abundant number, since it is smaller than the sum of its proper divisors (2599383638220).

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

1444102021140 is a wasteful number, since it uses less digits than its factorization.

1444102021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24068367031 (or 24068367029 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1444102021140 its reverse (411202014441), we get a palindrome (1855304035581).

The spelling of 1444102021140 in words is "one trillion, four hundred forty-four billion, one hundred two million, twenty-one thousand, one hundred forty".