4440921252 has 12 divisors (see below), whose sum is σ = 10362149616. Its totient is φ = 1480307080.

The previous prime is 4440921241. The next prime is 4440921253. The reversal of 4440921252 is 2521290444.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4440921253) 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, 185038374 + ... + 185038397.

It is an arithmetic number, because the mean of its divisors is an integer number (863512468).

Almost surely, 2^4440921252 is an apocalyptic number.

It is an amenable number.

4440921252 is an abundant number, since it is smaller than the sum of its proper divisors (5921228364).

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

4440921252 is a wasteful number, since it uses less digits than its factorization.

4440921252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370076778 (or 370076776 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4440921252 is about 66640.2374845708. The cubic root of 4440921252 is about 1643.7068210510.

The spelling of 4440921252 in words is "four billion, four hundred forty million, nine hundred twenty-one thousand, two hundred fifty-two".