2152152444 has 48 divisors (see below), whose sum is σ = 5476459520. Its totient is φ = 653814720.

The previous prime is 2152152403. The next prime is 2152152449. The reversal of 2152152444 is 4442512512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152152449) 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, 74992 + ... + 99639.

Almost surely, 2^2152152444 is an apocalyptic number.

It is an amenable number.

2152152444 is an abundant number, since it is smaller than the sum of its proper divisors (3324307076).

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

2152152444 is a wasteful number, since it uses less digits than its factorization.

2152152444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174730 (or 174728 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2152152444 is about 46391.2970717569. The cubic root of 2152152444 is about 1291.0934470321.

Adding to 2152152444 its reverse (4442512512), we get a palindrome (6594664956).

The spelling of 2152152444 in words is "two billion, one hundred fifty-two million, one hundred fifty-two thousand, four hundred forty-four".