2132340540 has 96 divisors (see below), whose sum is σ = 6533339904. Its totient is φ = 515343360.

The previous prime is 2132340527. The next prime is 2132340563. The reversal of 2132340540 is 450432312.

It is a self number, because there is not a number n which added to its sum of digits gives 2132340540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217627 + ... + 227213.

It is an arithmetic number, because the mean of its divisors is an integer number (68055624).

Almost surely, 2^2132340540 is an apocalyptic number.

2132340540 is a gapful number since it is divisible by the number (20) 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 2132340540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266669952).

2132340540 is an abundant number, since it is smaller than the sum of its proper divisors (4400999364).

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

2132340540 is a wasteful number, since it uses less digits than its factorization.

2132340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947 (or 9945 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2132340540 is about 46177.2729814137. The cubic root of 2132340540 is about 1287.1194544421.

Adding to 2132340540 its reverse (450432312), we get a palindrome (2582772852).

The spelling of 2132340540 in words is "two billion, one hundred thirty-two million, three hundred forty thousand, five hundred forty".