634363024044 has 24 divisors (see below), whose sum is σ = 1531221093360. Its totient is φ = 204162812224.

The previous prime is 634363024021. The next prime is 634363024049. The reversal of 634363024044 is 440420363436.

It is a happy number.

It is a super-2 number, since 2×634363024044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634363023993 and 634363024011.

It is not an unprimeable number, because it can be changed into a prime (634363024049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911440779 + ... + 911441474.

It is an arithmetic number, because the mean of its divisors is an integer number (63800878890).

Almost surely, 2^634363024044 is an apocalyptic number.

It is an amenable number.

634363024044 is an abundant number, since it is smaller than the sum of its proper divisors (896858069316).

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

634363024044 is a wasteful number, since it uses less digits than its factorization.

634363024044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822882289 (or 1822882287 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 39.

The spelling of 634363024044 in words is "six hundred thirty-four billion, three hundred sixty-three million, twenty-four thousand, forty-four".