2444205240 has 128 divisors (see below), whose sum is σ = 8301268800. Its totient is φ = 639475200.

The previous prime is 2444205233. The next prime is 2444205241. The reversal of 2444205240 is 425024442.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444205241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35890 + ... + 78590.

Almost surely, 2^2444205240 is an apocalyptic number.

2444205240 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 2444205240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4150634400).

2444205240 is an abundant number, since it is smaller than the sum of its proper divisors (5857063560).

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

2444205240 is a wasteful number, since it uses less digits than its factorization.

2444205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42774 (or 42764 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2444205240 is about 49438.9041140679. The cubic root of 2444205240 is about 1347.0360653237.

Adding to 2444205240 its reverse (425024442), we get a palindrome (2869229682).

The spelling of 2444205240 in words is "two billion, four hundred forty-four million, two hundred five thousand, two hundred forty".