1113402440444 has 48 divisors (see below), whose sum is σ = 2284488239040. Its totient is φ = 464846154240.

The previous prime is 1113402440443. The next prime is 1113402440477. The reversal of 1113402440444 is 4440442043111.

It is a super-3 number, since 3×1113402440444³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113402440444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113402440441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60902 + ... + 1493490.

It is an arithmetic number, because the mean of its divisors is an integer number (47593504980).

Almost surely, 2^{1113402440444} is an apocalyptic number.

1113402440444 is a gapful number since it is divisible by the number (14) 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 1113402440444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142244119520).

1113402440444 is an abundant number, since it is smaller than the sum of its proper divisors (1171085798596).

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

1113402440444 is a wasteful number, since it uses less digits than its factorization.

1113402440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433318 (or 1433316 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1113402440444 its reverse (4440442043111), we get a palindrome (5553844483555).

The spelling of 1113402440444 in words is "one trillion, one hundred thirteen billion, four hundred two million, four hundred forty thousand, four hundred forty-four".