2243153440 has 96 divisors (see below), whose sum is σ = 5838920640. Its totient is φ = 807552000.

The previous prime is 2243153431. The next prime is 2243153447. The reversal of 2243153440 is 443513422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2243153399 and 2243153408.

It is not an unprimeable number, because it can be changed into a prime (2243153447) 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, 171451 + ... + 184069.

It is an arithmetic number, because the mean of its divisors is an integer number (60822090).

Almost surely, 2^2243153440 is an apocalyptic number.

2243153440 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 2243153440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2919460320).

2243153440 is an abundant number, since it is smaller than the sum of its proper divisors (3595767200).

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

2243153440 is a wasteful number, since it uses less digits than its factorization.

2243153440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12746 (or 12738 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2243153440 is about 47361.9408386101. The cubic root of 2243153440 is about 1309.0402308992.

Adding to 2243153440 its reverse (443513422), we get a palindrome (2686666862).

The spelling of 2243153440 in words is "two billion, two hundred forty-three million, one hundred fifty-three thousand, four hundred forty".