549140318 has 32 divisors (see below), whose sum is σ = 908582400. Its totient is φ = 247759776.

The previous prime is 549140309. The next prime is 549140321. The reversal of 549140318 is 813041945.

It is a super-2 number, since 2×549140318² = 603110177706282248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228668 + ... + 231056.

It is an arithmetic number, because the mean of its divisors is an integer number (28393200).

Almost surely, 2^549140318 is an apocalyptic number.

549140318 is a deficient number, since it is larger than the sum of its proper divisors (359442082).

549140318 is a wasteful number, since it uses less digits than its factorization.

549140318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 549140318 is about 23433.7431495696. The cubic root of 549140318 is about 818.8941657215.

The spelling of 549140318 in words is "five hundred forty-nine million, one hundred forty thousand, three hundred eighteen".