447867454441 has 27 divisors (see below), whose sum is σ = 498967372407. Its totient is φ = 401698014960.

The previous prime is 447867454429. The next prime is 447867454451. The reversal of 447867454441 is 144454768744.

It is a happy number.

The square root of 447867454441 is 669229.

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., 438144705625 + 9722748816 = 661925^2 + 98604^2 .

It is not a de Polignac number, because 447867454441 - 2¹¹ = 447867452393 is a prime.

It is a super-2 number, since 2×447867454441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447867454451) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 611005711 + ... + 611006443.

Almost surely, 2^447867454441 is an apocalyptic number.

447867454441 is the 669229-th square number.

447867454441 is the 334615-th centered octagonal number.

It is an amenable number.

447867454441 is a deficient number, since it is larger than the sum of its proper divisors (51099917966).

447867454441 is an frugal number, since it uses more digits than its factorization.

447867454441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 827 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 58.

The spelling of 447867454441 in words is "four hundred forty-seven billion, eight hundred sixty-seven million, four hundred fifty-four thousand, four hundred forty-one".