244342111440 has 160 divisors (see below), whose sum is σ = 868030156800. Its totient is φ = 55697306112.

The previous prime is 244342111411. The next prime is 244342111493. The reversal of 244342111440 is 44111243442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 244342111398 and 244342111407.

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, 418411 + ... + 814709.

It is an arithmetic number, because the mean of its divisors is an integer number (5425188480).

Almost surely, 2^244342111440 is an apocalyptic number.

244342111440 is a gapful number since it is divisible by the number (20) 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 244342111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434015078400).

244342111440 is an abundant number, since it is smaller than the sum of its proper divisors (623688045360).

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

244342111440 is a wasteful number, since it uses less digits than its factorization.

244342111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396689 (or 396683 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 244342111440 its reverse (44111243442), we get a palindrome (288453354882).

The spelling of 244342111440 in words is "two hundred forty-four billion, three hundred forty-two million, one hundred eleven thousand, four hundred forty".