549704042 has 8 divisors (see below), whose sum is σ = 846841476. Its totient is φ = 267423552.

The previous prime is 549704021. The next prime is 549704083. The reversal of 549704042 is 240407945.

It can be written as a sum of positive squares in 2 ways, for example, as 538286401 + 11417641 = 23201^2 + 3379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×549704042² = 604349067582275528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549703993 and 549704011.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3714143 + ... + 3714290.

Almost surely, 2^549704042 is an apocalyptic number.

549704042 is a deficient number, since it is larger than the sum of its proper divisors (297137434).

549704042 is a wasteful number, since it uses less digits than its factorization.

549704042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428472.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 549704042 is about 23445.7681042870. The cubic root of 549704042 is about 819.1742838178.

The spelling of 549704042 in words is "five hundred forty-nine million, seven hundred four thousand, forty-two".