549949174320 has 320 divisors, whose sum is σ = 2113374735360. Its totient is φ = 115197825024.

The previous prime is 549949174303. The next prime is 549949174339. The reversal of 549949174320 is 23471949945.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2945182 + ... + 3126338.

It is an arithmetic number, because the mean of its divisors is an integer number (6604296048).

Almost surely, 2^549949174320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549949174320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056687367680).

549949174320 is an abundant number, since it is smaller than the sum of its proper divisors (1563425561040).

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

549949174320 is a wasteful number, since it uses less digits than its factorization.

549949174320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181332 (or 181326 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 549949174320 in words is "five hundred forty-nine billion, nine hundred forty-nine million, one hundred seventy-four thousand, three hundred twenty".