2240045521 has 16 divisors (see below), whose sum is σ = 2704688640. Its totient is φ = 1814379840.

The previous prime is 2240045519. The next prime is 2240045531. The reversal of 2240045521 is 1255400422.

It is not a de Polignac number, because 2240045521 - 2¹ = 2240045519 is a prime.

It is a super-2 number, since 2×2240045521² = 10035607872304322882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240045501) 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, 107850 + ... + 126931.

It is an arithmetic number, because the mean of its divisors is an integer number (169043040).

Almost surely, 2^2240045521 is an apocalyptic number.

It is an amenable number.

2240045521 is a deficient number, since it is larger than the sum of its proper divisors (464643119).

2240045521 is a wasteful number, since it uses less digits than its factorization.

2240045521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234864.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2240045521 is about 47329.1191656891. The cubic root of 2240045521 is about 1308.4353872422.

Adding to 2240045521 its reverse (1255400422), we get a palindrome (3495445943).

The spelling of 2240045521 in words is "two billion, two hundred forty million, forty-five thousand, five hundred twenty-one".