2149448252 has 48 divisors (see below), whose sum is σ = 4421635008. Its totient is φ = 894965760.

The previous prime is 2149448251. The next prime is 2149448269. The reversal of 2149448252 is 2528449412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149448251) 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, 1031852 + ... + 1033932.

It is an arithmetic number, because the mean of its divisors is an integer number (92117396).

Almost surely, 2^2149448252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149448252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2210817504).

2149448252 is an abundant number, since it is smaller than the sum of its proper divisors (2272186756).

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

2149448252 is a wasteful number, since it uses less digits than its factorization.

2149448252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3124 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 2149448252 is about 46362.1424440243. The cubic root of 2149448252 is about 1290.5524649239.

The spelling of 2149448252 in words is "two billion, one hundred forty-nine million, four hundred forty-eight thousand, two hundred fifty-two".