244505440 has 72 divisors (see below), whose sum is σ = 588939120. Its totient is φ = 95925504.

The previous prime is 244505419. The next prime is 244505449. The reversal of 244505440 is 44505442.

244505440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 244505399 and 244505408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244505449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556741 + ... + 557179.

It is an arithmetic number, because the mean of its divisors is an integer number (8179710).

Almost surely, 2^244505440 is an apocalyptic number.

244505440 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 244505440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294469560).

244505440 is an abundant number, since it is smaller than the sum of its proper divisors (344433680).

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

244505440 is an equidigital number, since it uses as much as digits as its factorization.

244505440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 244505440 is about 15636.6697221627. The cubic root of 244505440 is about 625.3111538675.

It can be divided in two parts, 24450 and 5440, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 244505440 in words is "two hundred forty-four million, five hundred five thousand, four hundred forty".