2240355240 has 128 divisors (see below), whose sum is σ = 7486732800. Its totient is φ = 595918080.

The previous prime is 2240355223. The next prime is 2240355253. The reversal of 2240355240 is 425530422.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463074 + ... + 467886.

It is an arithmetic number, because the mean of its divisors is an integer number (58490100).

Almost surely, 2^2240355240 is an apocalyptic number.

2240355240 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 2240355240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3743366400).

2240355240 is an abundant number, since it is smaller than the sum of its proper divisors (5246377560).

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

2240355240 is a wasteful number, since it uses less digits than its factorization.

2240355240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264 (or 5254 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2240355240 is about 47332.3910234841. The cubic root of 2240355240 is about 1308.4956878953.

Adding to 2240355240 its reverse (425530422), we get a palindrome (2665885662).

The spelling of 2240355240 in words is "two billion, two hundred forty million, three hundred fifty-five thousand, two hundred forty".