2532131440 has 20 divisors (see below), whose sum is σ = 5887205784. Its totient is φ = 1012852544.

The previous prime is 2532131431. The next prime is 2532131449. The reversal of 2532131440 is 441312352.

It is an interprime number because it is at equal distance from previous prime (2532131431) and next prime (2532131449).

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532131449) 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, 15825742 + ... + 15825901.

Almost surely, 2^2532131440 is an apocalyptic number.

2532131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2532131440 is an abundant number, since it is smaller than the sum of its proper divisors (3355074344).

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

2532131440 is a wasteful number, since it uses less digits than its factorization.

2532131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31651656 (or 31651650 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2532131440 is about 50320.2885524318. The cubic root of 2532131440 is about 1362.9986171571.

Adding to 2532131440 its reverse (441312352), we get a palindrome (2973443792).

The spelling of 2532131440 in words is "two billion, five hundred thirty-two million, one hundred thirty-one thousand, four hundred forty".