549869340 has 24 divisors (see below), whose sum is σ = 1539634320. Its totient is φ = 146631808.

The previous prime is 549869339. The next prime is 549869347. The reversal of 549869340 is 43968945.

It is a self number, because there is not a number n which added to its sum of digits gives 549869340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549869347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4582185 + ... + 4582304.

It is an arithmetic number, because the mean of its divisors is an integer number (64151430).

Almost surely, 2^549869340 is an apocalyptic number.

It is an amenable number.

549869340 is an abundant number, since it is smaller than the sum of its proper divisors (989764980).

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

549869340 is a wasteful number, since it uses less digits than its factorization.

549869340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164501 (or 9164499 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 549869340 is about 23449.2929530935. The cubic root of 549869340 is about 819.2563851488.

The spelling of 549869340 in words is "five hundred forty-nine million, eight hundred sixty-nine thousand, three hundred forty".