2244520040 has 64 divisors (see below), whose sum is σ = 5787365760. Its totient is φ = 767450880.

The previous prime is 2244520039. The next prime is 2244520049. The reversal of 2244520040 is 400254422.

It is a junction number, because it is equal to n+sod(n) for n = 2244519988 and 2244520015.

It is not an unprimeable number, because it can be changed into a prime (2244520049) 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, 93695 + ... + 115185.

It is an arithmetic number, because the mean of its divisors is an integer number (90427590).

Almost surely, 2^2244520040 is an apocalyptic number.

2244520040 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 2244520040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2893682880).

2244520040 is an abundant number, since it is smaller than the sum of its proper divisors (3542845720).

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

2244520040 is a wasteful number, since it uses less digits than its factorization.

2244520040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21882 (or 21878 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2244520040 is about 47376.3658378310. The cubic root of 2244520040 is about 1309.3060131648.

Adding to 2244520040 its reverse (400254422), we get a palindrome (2644774462).

The spelling of 2244520040 in words is "two billion, two hundred forty-four million, five hundred twenty thousand, forty".