1444131235040 has 96 divisors (see below), whose sum is σ = 3773506111200. Its totient is φ = 518806370304.

The previous prime is 1444131235039. The next prime is 1444131235067. The reversal of 1444131235040 is 405321314441.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1444131234988 and 1444131235006.

It is a congruent 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, 9305390 + ... + 9459309.

It is an arithmetic number, because the mean of its divisors is an integer number (39307355325).

Almost surely, 2^{1444131235040} is an apocalyptic number.

1444131235040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444131235040 is an abundant number, since it is smaller than the sum of its proper divisors (2329374876160).

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

1444131235040 is a wasteful number, since it uses less digits than its factorization.

1444131235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764764 (or 18764756 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1444131235040 its reverse (405321314441), we get a palindrome (1849452549481).

The spelling of 1444131235040 in words is "one trillion, four hundred forty-four billion, one hundred thirty-one million, two hundred thirty-five thousand, forty".