549597809448 has 64 divisors (see below), whose sum is σ = 1526726736000. Its totient is φ = 183191331456.

The previous prime is 549597809441. The next prime is 549597809513. The reversal of 549597809448 is 844908795945.

549597809448 is a `hidden beast` number, since 5 + 4 + 95 + 97 + 8 + 0 + 9 + 448 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (549597809441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7064908 + ... + 7142276.

It is an arithmetic number, because the mean of its divisors is an integer number (23855105250).

Almost surely, 2^549597809448 is an apocalyptic number.

It is an amenable number.

549597809448 is an abundant number, since it is smaller than the sum of its proper divisors (977128926552).

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

549597809448 is a wasteful number, since it uses less digits than its factorization.

549597809448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110271 (or 110261 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 549597809448 in words is "five hundred forty-nine billion, five hundred ninety-seven million, eight hundred nine thousand, four hundred forty-eight".