549366240 has 96 divisors (see below), whose sum is σ = 1737088416. Its totient is φ = 145940480.

The previous prime is 549366229. The next prime is 549366241. The reversal of 549366240 is 42663945.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549366241) 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, 132844 + ... + 136916.

It is an arithmetic number, because the mean of its divisors is an integer number (18094671).

Almost surely, 2^549366240 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 549366240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868544208).

549366240 is an abundant number, since it is smaller than the sum of its proper divisors (1187722176).

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

549366240 is a wasteful number, since it uses less digits than its factorization.

549366240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4364 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 549366240 is about 23438.5630958896. The cubic root of 549366240 is about 819.0064508311.

The spelling of 549366240 in words is "five hundred forty-nine million, three hundred sixty-six thousand, two hundred forty".