2132443240 has 16 divisors (see below), whose sum is σ = 4797997380. Its totient is φ = 852977280.

The previous prime is 2132443217. The next prime is 2132443249. The reversal of 2132443240 is 423442312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1840238404 + 292204836 = 42898^2 + 17094^2 .

It is not an unprimeable number, because it can be changed into a prime (2132443249) 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, 26655501 + ... + 26655580.

Almost surely, 2^2132443240 is an apocalyptic number.

2132443240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132443240 is an abundant number, since it is smaller than the sum of its proper divisors (2665554140).

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

2132443240 is a wasteful number, since it uses less digits than its factorization.

2132443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53311092 (or 53311088 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2132443240 is about 46178.3849869179. The cubic root of 2132443240 is about 1287.1401179717.

Adding to 2132443240 its reverse (423442312), we get a palindrome (2555885552).

The spelling of 2132443240 in words is "two billion, one hundred thirty-two million, four hundred forty-three thousand, two hundred forty".