632660540 has 48 divisors (see below), whose sum is σ = 1409909760. Its totient is φ = 237948480.

The previous prime is 632660527. The next prime is 632660557. The reversal of 632660540 is 45066236.

632660540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 632660497 and 632660506.

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, 15485 + ... + 38795.

It is an arithmetic number, because the mean of its divisors is an integer number (29373120).

Almost surely, 2^632660540 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 632660540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704954880).

632660540 is an abundant number, since it is smaller than the sum of its proper divisors (777249220).

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

632660540 is a wasteful number, since it uses less digits than its factorization.

632660540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23402 (or 23400 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 632660540 is about 25152.7441842834. The cubic root of 632660540 is about 858.4669551191.

It can be divided in two parts, 6326 and 60540, that added together give a palindrome (66866).

The spelling of 632660540 in words is "six hundred thirty-two million, six hundred sixty thousand, five hundred forty".