632635240 has 32 divisors (see below), whose sum is σ = 1485319680. Its totient is φ = 242051392.

The previous prime is 632635231. The next prime is 632635247. The reversal of 632635240 is 42536236.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (632635247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342904 + ... + 344743.

It is an arithmetic number, because the mean of its divisors is an integer number (46416240).

Almost surely, 2^632635240 is an apocalyptic number.

It is an amenable number.

632635240 is an abundant number, since it is smaller than the sum of its proper divisors (852684440).

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

632635240 is a wasteful number, since it uses less digits than its factorization.

632635240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687681 (or 687677 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 632635240 is about 25152.2412520236. The cubic root of 632635240 is about 858.4555116451.

The spelling of 632635240 in words is "six hundred thirty-two million, six hundred thirty-five thousand, two hundred forty".