549250240 has 112 divisors (see below), whose sum is σ = 1630704384. Its totient is φ = 171187200.

The previous prime is 549250217. The next prime is 549250241. The reversal of 549250240 is 42052945.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×549250240² = 603351652280115200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549250241) 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, 13495 + ... + 35785.

Almost surely, 2^549250240 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 549250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815352192).

549250240 is an abundant number, since it is smaller than the sum of its proper divisors (1081454144).

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

549250240 is a wasteful number, since it uses less digits than its factorization.

549250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22326 (or 22316 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 549250240 is about 23436.0884108249. The cubic root of 549250240 is about 818.9488017141.

The spelling of 549250240 in words is "five hundred forty-nine million, two hundred fifty thousand, two hundred forty".