444661272250 has 32 divisors (see below), whose sum is σ = 896437131408. Its totient is φ = 164182622400.

The previous prime is 444661272241. The next prime is 444661272257. The reversal of 444661272250 is 52272166444.

It can be written as a sum of positive squares in 8 ways, for example, as 40848047881 + 403813224369 = 202109^2 + 635463^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444661272197 and 444661272206.

It is not an unprimeable number, because it can be changed into a prime (444661272257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68406177 + ... + 68412676.

Almost surely, 2^444661272250 is an apocalyptic number.

444661272250 is an abundant number, since it is smaller than the sum of its proper divisors (451775859158).

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

444661272250 is a wasteful number, since it uses less digits than its factorization.

444661272250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136818883 (or 136818873 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 444661272250 in words is "four hundred forty-four billion, six hundred sixty-one million, two hundred seventy-two thousand, two hundred fifty".