549917742792 has 64 divisors (see below), whose sum is σ = 1499959296000. Its totient is φ = 166621336640.

The previous prime is 549917742769. The next prime is 549917742797. The reversal of 549917742792 is 297247719945.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (549917742797) 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, 2106709 + ... + 2353307.

It is an arithmetic number, because the mean of its divisors is an integer number (23436864000).

Almost surely, 2^549917742792 is an apocalyptic number.

It is an amenable number.

549917742792 is an abundant number, since it is smaller than the sum of its proper divisors (950041553208).

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

549917742792 is a wasteful number, since it uses less digits than its factorization.

549917742792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255066 (or 255062 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 66.

The spelling of 549917742792 in words is "five hundred forty-nine billion, nine hundred seventeen million, seven hundred forty-two thousand, seven hundred ninety-two".