5217726158444 has 6 divisors (see below), whose sum is σ = 9131020777284. Its totient is φ = 2608863079220.

The previous prime is 5217726158441. The next prime is 5217726158501. The reversal of 5217726158444 is 4448516277125.

It is a super-2 number, since 2×5217726158444² (a number of 26 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 5217726158444.

It is not an unprimeable number, because it can be changed into a prime (5217726158441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652215769802 + ... + 652215769809.

It is an arithmetic number, because the mean of its divisors is an integer number (1521836796214).

Almost surely, 2^{5217726158444} is an apocalyptic number.

It is an amenable number.

5217726158444 is a deficient number, since it is larger than the sum of its proper divisors (3913294618840).

5217726158444 is a wasteful number, since it uses less digits than its factorization.

5217726158444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304431539615 (or 1304431539613 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 56.

The spelling of 5217726158444 in words is "five trillion, two hundred seventeen billion, seven hundred twenty-six million, one hundred fifty-eight thousand, four hundred forty-four".