556424444 has 12 divisors (see below), whose sum is σ = 987457968. Its totient is φ = 274293600.

The previous prime is 556424423. The next prime is 556424507. The reversal of 556424444 is 444424655.

556424444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 556424398 and 556424407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979337 + ... + 979904.

It is an arithmetic number, because the mean of its divisors is an integer number (82288164).

Almost surely, 2^556424444 is an apocalyptic number.

It is an amenable number.

556424444 is a deficient number, since it is larger than the sum of its proper divisors (431033524).

556424444 is a wasteful number, since it uses less digits than its factorization.

556424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959316 (or 1959314 counting only the distinct ones).

The product of its digits is 307200, while the sum is 38.

The square root of 556424444 is about 23588.6507456446. The cubic root of 556424444 is about 822.4990408429.

The spelling of 556424444 in words is "five hundred fifty-six million, four hundred twenty-four thousand, four hundred forty-four".