444513120311143 has 32 divisors (see below), whose sum is σ = 516212256188160. Its totient is φ = 379227916834560.

The previous prime is 444513120311137. The next prime is 444513120311207. The reversal of 444513120311143 is 341113021315444.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444513120311143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444513120311443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258424380 + ... + 260138782.

It is an arithmetic number, because the mean of its divisors is an integer number (16131633005880).

Almost surely, 2^{444513120311143} is an apocalyptic number.

444513120311143 is a deficient number, since it is larger than the sum of its proper divisors (71699135877017).

444513120311143 is a wasteful number, since it uses less digits than its factorization.

444513120311143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740079.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 444513120311143 its reverse (341113021315444), we get a palindrome (785626141626587).

The spelling of 444513120311143 in words is "four hundred forty-four trillion, five hundred thirteen billion, one hundred twenty million, three hundred eleven thousand, one hundred forty-three".