130042305644 has 48 divisors (see below), whose sum is σ = 249245186400. Its totient is φ = 59130925056.

The previous prime is 130042305641. The next prime is 130042305683. The reversal of 130042305644 is 446503240031.

It is a super-2 number, since 2×130042305644² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130042305644.

It is not an unprimeable number, because it can be changed into a prime (130042305641) 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, 210764 + ... + 551820.

It is an arithmetic number, because the mean of its divisors is an integer number (5192608050).

Almost surely, 2^130042305644 is an apocalyptic number.

It is an amenable number.

130042305644 is a deficient number, since it is larger than the sum of its proper divisors (119202880756).

130042305644 is a wasteful number, since it uses less digits than its factorization.

130042305644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341282 (or 341280 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 130042305644 its reverse (446503240031), we get a palindrome (576545545675).

The spelling of 130042305644 in words is "one hundred thirty billion, forty-two million, three hundred five thousand, six hundred forty-four".