4044123011440 has 80 divisors (see below), whose sum is σ = 9819331219008. Its totient is φ = 1546064898048.

The previous prime is 4044123011377. The next prime is 4044123011483. The reversal of 4044123011440 is 441103214404.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4044123011399 and 4044123011408.

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, 1387684 + ... + 3164476.

Almost surely, 2^{4044123011440} is an apocalyptic number.

4044123011440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4044123011440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4909665609504).

4044123011440 is an abundant number, since it is smaller than the sum of its proper divisors (5775208207568).

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

4044123011440 is a wasteful number, since it uses less digits than its factorization.

4044123011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778066 (or 1778060 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4044123011440 its reverse (441103214404), we get a palindrome (4485226225844).

The spelling of 4044123011440 in words is "four trillion, forty-four billion, one hundred twenty-three million, eleven thousand, four hundred forty".