2241255440 has 20 divisors (see below), whose sum is σ = 5210919084. Its totient is φ = 896502144.

The previous prime is 2241255437. The next prime is 2241255461. The reversal of 2241255440 is 445521422.

It can be written as a sum of positive squares in 2 ways, for example, as 512026384 + 1729229056 = 22628^2 + 41584^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14007767 + ... + 14007926.

Almost surely, 2^2241255440 is an apocalyptic number.

2241255440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2241255440 is an abundant number, since it is smaller than the sum of its proper divisors (2969663644).

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

2241255440 is a wasteful number, since it uses less digits than its factorization.

2241255440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28015706 (or 28015700 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2241255440 is about 47341.8994126767. The cubic root of 2241255440 is about 1308.6709205350.

Adding to 2241255440 its reverse (445521422), we get a palindrome (2686776862).

The spelling of 2241255440 in words is "two billion, two hundred forty-one million, two hundred fifty-five thousand, four hundred forty".