2129260432 has 20 divisors (see below), whose sum is σ = 4442784220. Its totient is φ = 982735488.

The previous prime is 2129260363. The next prime is 2129260459. The reversal of 2129260432 is 2340629212.

It can be written as a sum of positive squares in 2 ways, for example, as 106419856 + 2022840576 = 10316^2 + 44976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2129260394 and 2129260403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118207 + ... + 5118622.

It is an arithmetic number, because the mean of its divisors is an integer number (222139211).

Almost surely, 2^2129260432 is an apocalyptic number.

It is an amenable number.

2129260432 is an abundant number, since it is smaller than the sum of its proper divisors (2313523788).

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

2129260432 is a wasteful number, since it uses less digits than its factorization.

2129260432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236850 (or 10236844 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2129260432 is about 46143.9100207167. The cubic root of 2129260432 is about 1286.4994194395.

Adding to 2129260432 its reverse (2340629212), we get a palindrome (4469889644).

The spelling of 2129260432 in words is "two billion, one hundred twenty-nine million, two hundred sixty thousand, four hundred thirty-two".