634450054436 has 48 divisors (see below), whose sum is σ = 1254841640640. Its totient is φ = 278030363520.

The previous prime is 634450054367. The next prime is 634450054439.

634450054436 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (634450054439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496631 + ... + 1231073.

It is an arithmetic number, because the mean of its divisors is an integer number (26142534180).

Almost surely, 2^634450054436 is an apocalyptic number.

It is an amenable number.

634450054436 is a deficient number, since it is larger than the sum of its proper divisors (620391586204).

634450054436 is a wasteful number, since it uses less digits than its factorization.

634450054436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735164 (or 735162 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

It can be divided in two parts, 6344500 and 54436, that added together give a palindrome (6398936).

The spelling of 634450054436 in words is "six hundred thirty-four billion, four hundred fifty million, fifty-four thousand, four hundred thirty-six".