4521052240 has 20 divisors (see below), whose sum is σ = 10511446644. Its totient is φ = 1808420864.

The previous prime is 4521052229. The next prime is 4521052241. The reversal of 4521052240 is 422501254.

It can be written as a sum of positive squares in 2 ways, for example, as 3118999104 + 1402053136 = 55848^2 + 37444^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521052241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28256497 + ... + 28256656.

Almost surely, 2^4521052240 is an apocalyptic number.

4521052240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4521052240 is an abundant number, since it is smaller than the sum of its proper divisors (5990394404).

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

4521052240 is a wasteful number, since it uses less digits than its factorization.

4521052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56513166 (or 56513160 counting only the distinct ones).

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

The square root of 4521052240 is about 67238.7703635336. The cubic root of 4521052240 is about 1653.5341742806.

Adding to 4521052240 its reverse (422501254), we get a palindrome (4943553494).

The spelling of 4521052240 in words is "four billion, five hundred twenty-one million, fifty-two thousand, two hundred forty".