244045540 has 48 divisors (see below), whose sum is σ = 544102272. Its totient is φ = 91629056.

The previous prime is 244045499. The next prime is 244045541. The reversal of 244045540 is 45540442.

244045540 is digitally balanced in base 3, 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 = 244045499 and 244045508.

It is not an unprimeable number, because it can be changed into a prime (244045541) 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, 170307 + ... + 171733.

It is an arithmetic number, because the mean of its divisors is an integer number (11335464).

Almost surely, 2^244045540 is an apocalyptic number.

244045540 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 244045540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272051136).

244045540 is an abundant number, since it is smaller than the sum of its proper divisors (300056732).

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

244045540 is a wasteful number, since it uses less digits than its factorization.

244045540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1954 counting only the distinct ones).

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

The square root of 244045540 is about 15621.9569836817. The cubic root of 244045540 is about 624.9188502640.

Adding to 244045540 its reverse (45540442), we get a palindrome (289585982).

The spelling of 244045540 in words is "two hundred forty-four million, forty-five thousand, five hundred forty".