632479842 has 24 divisors (see below), whose sum is σ = 1392840540. Its totient is φ = 207370080.

The previous prime is 632479789. The next prime is 632479873. The reversal of 632479842 is 248974236.

632479842 is a `hidden beast` number, since 632 + 4 + 7 + 9 + 8 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 388838961 + 243640881 = 19719^2 + 15609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286917 + ... + 289112.

Almost surely, 2^632479842 is an apocalyptic number.

632479842 is an abundant number, since it is smaller than the sum of its proper divisors (760360698).

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

632479842 is a wasteful number, since it uses less digits than its factorization.

632479842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576098 (or 576095 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 632479842 is about 25149.1519141302. The cubic root of 632479842 is about 858.3852166918.

The spelling of 632479842 in words is "six hundred thirty-two million, four hundred seventy-nine thousand, eight hundred forty-two".