2132102640 has 80 divisors (see below), whose sum is σ = 6622138656. Its totient is φ = 567475200.

The previous prime is 2132102629. The next prime is 2132102671. The reversal of 2132102640 is 462012312.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121630 + ... + 138050.

Almost surely, 2^2132102640 is an apocalyptic number.

2132102640 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 2132102640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311069328).

2132102640 is an abundant number, since it is smaller than the sum of its proper divisors (4490036016).

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

2132102640 is a wasteful number, since it uses less digits than its factorization.

2132102640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16978 (or 16972 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2132102640 is about 46174.6969670619. The cubic root of 2132102640 is about 1287.0715857424.

Adding to 2132102640 its reverse (462012312), we get a palindrome (2594114952).

The spelling of 2132102640 in words is "two billion, one hundred thirty-two million, one hundred two thousand, six hundred forty".