4023044113240 has 128 divisors (see below), whose sum is σ = 9906545851200. Its totient is φ = 1464478433280.

The previous prime is 4023044113237. The next prime is 4023044113241. The reversal of 4023044113240 is 423114403204.

It is a junction number, because it is equal to n+sod(n) for n = 4023044113199 and 4023044113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023044113241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1625392 + ... + 3269248.

Almost surely, 2^{4023044113240} is an apocalyptic number.

4023044113240 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 4023044113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4953272925600).

4023044113240 is an abundant number, since it is smaller than the sum of its proper divisors (5883501737960).

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

4023044113240 is a wasteful number, since it uses less digits than its factorization.

4023044113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644005 (or 1644001 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4023044113240 its reverse (423114403204), we get a palindrome (4446158516444).

The spelling of 4023044113240 in words is "four trillion, twenty-three billion, forty-four million, one hundred thirteen thousand, two hundred forty".