549304040736 has 144 divisors (see below), whose sum is σ = 1718175539808. Its totient is φ = 166455653760.

The previous prime is 549304040731. The next prime is 549304040743. The reversal of 549304040736 is 637040403945.

549304040736 is a `hidden beast` number, since 549 + 30 + 4 + 0 + 4 + 0 + 73 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 549304040691 and 549304040700.

It is not an unprimeable number, because it can be changed into a prime (549304040731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333166 + ... + 1099821.

It is an arithmetic number, because the mean of its divisors is an integer number (11931774582).

Almost surely, 2^549304040736 is an apocalyptic number.

It is an amenable number.

549304040736 is an abundant number, since it is smaller than the sum of its proper divisors (1168871499072).

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

549304040736 is a wasteful number, since it uses less digits than its factorization.

549304040736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433036 (or 1433003 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 549304040736 in words is "five hundred forty-nine billion, three hundred four million, forty thousand, seven hundred thirty-six".