1441956664225 has 81 divisors (see below), whose sum is σ = 2286958079091. Its totient is φ = 898593880800.

The previous prime is 1441956664157. The next prime is 1441956664243. The reversal of 1441956664225 is 5224666591441.

The square root of 1441956664225 is 1200815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 519104399121 + 922852265104 = 720489^2 + 960652^2 .

It is not a de Polignac number, because 1441956664225 - 2¹³ = 1441956656033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 462312216 + ... + 462315334.

Almost surely, 2^{1441956664225} is an apocalyptic number.

1441956664225 is the 1200815-th square number.

1441956664225 is the 600408-th centered octagonal number.

It is an amenable number.

1441956664225 is a deficient number, since it is larger than the sum of its proper divisors (845001414866).

1441956664225 is an frugal number, since it uses more digits than its factorization.

1441956664225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284 (or 3142 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The spelling of 1441956664225 in words is "one trillion, four hundred forty-one billion, nine hundred fifty-six million, six hundred sixty-four thousand, two hundred twenty-five".