130644450444 has 12 divisors (see below), whose sum is σ = 304837051064. Its totient is φ = 43548150144.

The previous prime is 130644450437. The next prime is 130644450499. The reversal of 130644450444 is 444054446031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5443518757 + ... + 5443518780.

Almost surely, 2^130644450444 is an apocalyptic number.

It is an amenable number.

130644450444 is an abundant number, since it is smaller than the sum of its proper divisors (174192600620).

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

130644450444 is a wasteful number, since it uses less digits than its factorization.

130644450444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887037544 (or 10887037542 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 130644450444 its reverse (444054446031), we get a palindrome (574698896475).

The spelling of 130644450444 in words is "one hundred thirty billion, six hundred forty-four million, four hundred fifty thousand, four hundred forty-four".