549842018527444 has 24 divisors (see below), whose sum is σ = 965862269064000. Its totient is φ = 273882629634240.

The previous prime is 549842018527427. The next prime is 549842018527481. The reversal of 549842018527444 is 444725810248945.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 549842018527444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155679169 + ... + 159171880.

It is an arithmetic number, because the mean of its divisors is an integer number (40244261211000).

Almost surely, 2^{549842018527444} is an apocalyptic number.

It is an amenable number.

549842018527444 is a deficient number, since it is larger than the sum of its proper divisors (416020250536556).

549842018527444 is a wasteful number, since it uses less digits than its factorization.

549842018527444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314852703 (or 314852701 counting only the distinct ones).

The product of its (nonzero) digits is 412876800, while the sum is 67.

The spelling of 549842018527444 in words is "five hundred forty-nine trillion, eight hundred forty-two billion, eighteen million, five hundred twenty-seven thousand, four hundred forty-four".