634242125035552 has 48 divisors (see below), whose sum is σ = 1375666031404224. Its totient is φ = 285437500000000.

The previous prime is 634242125035529. The next prime is 634242125035567. The reversal of 634242125035552 is 255530521242436.

It is a happy number.

It is a super-2 number, since 2×634242125035552² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634242125035496 and 634242125035505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8919886324 + ... + 8919957427.

It is an arithmetic number, because the mean of its divisors is an integer number (28659708987588).

Almost surely, 2^{634242125035552} is an apocalyptic number.

It is an amenable number.

634242125035552 is an abundant number, since it is smaller than the sum of its proper divisors (741423906368672).

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

634242125035552 is a wasteful number, since it uses less digits than its factorization.

634242125035552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17839843873 (or 17839843865 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 49.

Adding to 634242125035552 its reverse (255530521242436), we get a palindrome (889772646277988).

The spelling of 634242125035552 in words is "six hundred thirty-four trillion, two hundred forty-two billion, one hundred twenty-five million, thirty-five thousand, five hundred fifty-two".