549498894944 has 24 divisors (see below), whose sum is σ = 1082911093488. Its totient is φ = 274473855360.

The previous prime is 549498894913. The next prime is 549498894983. The reversal of 549498894944 is 449498894945.

It is a congruent number.

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, 8579852 + ... + 8643659.

It is an arithmetic number, because the mean of its divisors is an integer number (45121295562).

Almost surely, 2^549498894944 is an apocalyptic number.

It is an amenable number.

549498894944 is a deficient number, since it is larger than the sum of its proper divisors (533412198544).

549498894944 is a wasteful number, since it uses less digits than its factorization.

549498894944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17224518 (or 17224510 counting only the distinct ones).

The product of its digits is 2149908480, while the sum is 77.

Subtracting from 549498894944 its reverse (449498894945), we obtain a palindrome (99999999999).

The spelling of 549498894944 in words is "five hundred forty-nine billion, four hundred ninety-eight million, eight hundred ninety-four thousand, nine hundred forty-four".