556672290 has 32 divisors (see below), whose sum is σ = 1338370560. Its totient is φ = 148184064.

The previous prime is 556672217. The next prime is 556672351. The reversal of 556672290 is 92276655.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231 + ... + 33389.

It is an arithmetic number, because the mean of its divisors is an integer number (41824080).

Almost surely, 2^556672290 is an apocalyptic number.

556672290 is an abundant number, since it is smaller than the sum of its proper divisors (781698270).

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

556672290 is a wasteful number, since it uses less digits than its factorization.

556672290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32746.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 556672290 is about 23593.9036617513. The cubic root of 556672290 is about 822.6211435769.

The spelling of 556672290 in words is "five hundred fifty-six million, six hundred seventy-two thousand, two hundred ninety".