481981826 has 16 divisors (see below), whose sum is σ = 727687800. Its totient is φ = 239424768.

The previous prime is 481981817. The next prime is 481981847. The reversal of 481981826 is 628189184.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112381201 + 369600625 = 10601^2 + 19225^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231920 + ... + 233988.

Almost surely, 2^481981826 is an apocalyptic number.

481981826 is a deficient number, since it is larger than the sum of its proper divisors (245705974).

481981826 is a wasteful number, since it uses less digits than its factorization.

481981826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773.

The product of its digits is 221184, while the sum is 47.

The square root of 481981826 is about 21954.0844946903. The cubic root of 481981826 is about 784.0496300405.

The spelling of 481981826 in words is "four hundred eighty-one million, nine hundred eighty-one thousand, eight hundred twenty-six".