1244424244340 has 96 divisors (see below), whose sum is σ = 2780762449920. Its totient is φ = 466451104896.

The previous prime is 1244424244303. The next prime is 1244424244381. The reversal of 1244424244340 is 434424244421.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 1244424244294 and 1244424244303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34542617 + ... + 34578623.

It is an arithmetic number, because the mean of its divisors is an integer number (28966275520).

Almost surely, 2^{1244424244340} is an apocalyptic number.

1244424244340 is a gapful number since it is divisible by the number (10) 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 1244424244340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390381224960).

1244424244340 is an abundant number, since it is smaller than the sum of its proper divisors (1536338205580).

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

1244424244340 is a wasteful number, since it uses less digits than its factorization.

1244424244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37021 (or 37019 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 1244424244340 its reverse (434424244421), we get a palindrome (1678848488761).

The spelling of 1244424244340 in words is "one trillion, two hundred forty-four billion, four hundred twenty-four million, two hundred forty-four thousand, three hundred forty".