2144432532 has 96 divisors (see below), whose sum is σ = 5737019904. Its totient is φ = 617500800.

The previous prime is 2144432503. The next prime is 2144432539. The reversal of 2144432532 is 2352344412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144432532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144432539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204907 + ... + 215117.

It is an arithmetic number, because the mean of its divisors is an integer number (59760624).

Almost surely, 2^2144432532 is an apocalyptic number.

2144432532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144432532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2868509952).

2144432532 is an abundant number, since it is smaller than the sum of its proper divisors (3592587372).

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

2144432532 is a wasteful number, since it uses less digits than its factorization.

2144432532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309 (or 10307 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 2144432532 is about 46308.0180098436. The cubic root of 2144432532 is about 1289.5478518754.

Adding to 2144432532 its reverse (2352344412), we get a palindrome (4496776944).

The spelling of 2144432532 in words is "two billion, one hundred forty-four million, four hundred thirty-two thousand, five hundred thirty-two".