2630312532 has 72 divisors (see below), whose sum is σ = 6764870112. Its totient is φ = 861537600.

The previous prime is 2630312527. The next prime is 2630312533. The reversal of 2630312532 is 2352130362.

2630312532 is a `hidden beast` number, since 2 + 630 + 3 + 1 + 25 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2630312496 and 2630312505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630312533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1183182 + ... + 1185402.

Almost surely, 2^2630312532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630312532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382435056).

2630312532 is an abundant number, since it is smaller than the sum of its proper divisors (4134557580).

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

2630312532 is a wasteful number, since it uses less digits than its factorization.

2630312532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 2630312532 is about 51286.5726287105. The cubic root of 2630312532 is about 1380.3920562186.

Adding to 2630312532 its reverse (2352130362), we get a palindrome (4982442894).

The spelling of 2630312532 in words is "two billion, six hundred thirty million, three hundred twelve thousand, five hundred thirty-two".