4252444452 has 18 divisors (see below), whose sum is σ = 10749234678. Its totient is φ = 1417481472.

The previous prime is 4252444439. The next prime is 4252444477. The reversal of 4252444452 is 2544442524.

4252444452 is a `hidden beast` number, since 42 + 524 + 4 + 44 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3722708196 + 529736256 = 61014^2 + 23016^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 118123457 = 4252444452 / (4 + 2 + 5 + 2 + 4 + 4 + 4 + 4 + 5 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59061693 + ... + 59061764.

Almost surely, 2^4252444452 is an apocalyptic number.

It is an amenable number.

4252444452 is an abundant number, since it is smaller than the sum of its proper divisors (6496790226).

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

4252444452 is a wasteful number, since it uses less digits than its factorization.

4252444452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118123467 (or 118123462 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 4252444452 is about 65210.7694479984. The cubic root of 4252444452 is about 1620.1163931004.

Adding to 4252444452 its reverse (2544442524), we get a palindrome (6796886976).

The spelling of 4252444452 in words is "four billion, two hundred fifty-two million, four hundred forty-four thousand, four hundred fifty-two".