634548042 has 24 divisors (see below), whose sum is σ = 1377099360. Its totient is φ = 211170600.

The previous prime is 634548041. The next prime is 634548053. The reversal of 634548042 is 240845436.

It is a junction number, because it is equal to n+sod(n) for n = 634547988 and 634548006.

It is not an unprimeable number, because it can be changed into a prime (634548041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17334 + ... + 39617.

It is an arithmetic number, because the mean of its divisors is an integer number (57379140).

Almost surely, 2^634548042 is an apocalyptic number.

634548042 is an abundant number, since it is smaller than the sum of its proper divisors (742551318).

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

634548042 is a wasteful number, since it uses less digits than its factorization.

634548042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57578 (or 57575 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 634548042 is about 25190.2370373921. The cubic root of 634548042 is about 859.3198344789.

The spelling of 634548042 in words is "six hundred thirty-four million, five hundred forty-eight thousand, forty-two".