549841490 has 16 divisors (see below), whose sum is σ = 1079688960. Its totient is φ = 199942320.

The previous prime is 549841483. The next prime is 549841499. The reversal of 549841490 is 94148945.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (549841499) 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, 2499170 + ... + 2499389.

It is an arithmetic number, because the mean of its divisors is an integer number (67480560).

Almost surely, 2^549841490 is an apocalyptic number.

549841490 is a deficient number, since it is larger than the sum of its proper divisors (529847470).

549841490 is a wasteful number, since it uses less digits than its factorization.

549841490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998577.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 549841490 is about 23448.6991110381. The cubic root of 549841490 is about 819.2425535747.

The spelling of 549841490 in words is "five hundred forty-nine million, eight hundred forty-one thousand, four hundred ninety".