244434320 has 80 divisors (see below), whose sum is σ = 622220592. Its totient is φ = 88750080.

The previous prime is 244434319. The next prime is 244434329. The reversal of 244434320 is 23434442.

It can be written as a sum of positive squares in 8 ways, for example, as 12054784 + 232379536 = 3472^2 + 15244^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 244434320.

It is not an unprimeable number, because it can be changed into a prime (244434329) 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, 61514 + ... + 65366.

Almost surely, 2^244434320 is an apocalyptic number.

244434320 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 244434320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311110296).

244434320 is an abundant number, since it is smaller than the sum of its proper divisors (377786272).

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

244434320 is a wasteful number, since it uses less digits than its factorization.

244434320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 244434320 is about 15634.3954152375. The cubic root of 244434320 is about 625.2505193040.

Adding to 244434320 its reverse (23434442), we get a palindrome (267868762).

It can be divided in two parts, 24 and 4434320, that added together give a palindrome (4434344).

The spelling of 244434320 in words is "two hundred forty-four million, four hundred thirty-four thousand, three hundred twenty".