1444340142340 has 24 divisors (see below), whose sum is σ = 3033151894080. Its totient is φ = 577728895968.

The previous prime is 1444340142317. The next prime is 1444340142353. The reversal of 1444340142340 is 432410434441.

It is a super-2 number, since 2×1444340142340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1444340142296 and 1444340142305.

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 7 ways as a sum of consecutive naturals, for example, 1390449 + ... + 2195911.

It is an arithmetic number, because the mean of its divisors is an integer number (126381328920).

Almost surely, 2^{1444340142340} is an apocalyptic number.

1444340142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444340142340 is an abundant number, since it is smaller than the sum of its proper divisors (1588811751740).

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

1444340142340 is a wasteful number, since it uses less digits than its factorization.

1444340142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895131 (or 895129 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1444340142340 its reverse (432410434441), we get a palindrome (1876750576781).

The spelling of 1444340142340 in words is "one trillion, four hundred forty-four billion, three hundred forty million, one hundred forty-two thousand, three hundred forty".