126730620730044 has 36 divisors (see below), whose sum is σ = 327796773520216. Its totient is φ = 41261132330208.

The previous prime is 126730620729997. The next prime is 126730620730061. The reversal of 126730620730044 is 440037026037621.

126730620730044 is a `hidden beast` number, since 12 + 6 + 7 + 3 + 0 + 620 + 7 + 3 + 0 + 0 + 4 + 4 = 666.

126730620730044 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40933661479 + ... + 40933664574.

Almost surely, 2^{126730620730044} is an apocalyptic number.

It is an amenable number.

126730620730044 is an abundant number, since it is smaller than the sum of its proper divisors (201066152790172).

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

126730620730044 is a wasteful number, since it uses less digits than its factorization.

126730620730044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81867326106 (or 81867326101 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

Adding to 126730620730044 its reverse (440037026037621), we get a palindrome (566767646767665).

The spelling of 126730620730044 in words is "one hundred twenty-six trillion, seven hundred thirty billion, six hundred twenty million, seven hundred thirty thousand, forty-four".