449487111844 has 27 divisors (see below), whose sum is σ = 794707140801. Its totient is φ = 222451328400.

The previous prime is 449487111841. The next prime is 449487111851. The reversal of 449487111844 is 448111784944.

The square root of 449487111844 is 670438.

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., 431861894244 + 17625217600 = 657162^2 + 132760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449487111841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 135426817 + ... + 135430135.

Almost surely, 2^449487111844 is an apocalyptic number.

449487111844 is the 670438-th square number.

It is an amenable number.

449487111844 is a deficient number, since it is larger than the sum of its proper divisors (345220028957).

449487111844 is an frugal number, since it uses more digits than its factorization.

449487111844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 3422 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The spelling of 449487111844 in words is "four hundred forty-nine billion, four hundred eighty-seven million, one hundred eleven thousand, eight hundred forty-four".