449378676 has 18 divisors (see below), whose sum is σ = 1135929522. Its totient is φ = 149792880.

The previous prime is 449378627. The next prime is 449378701. The reversal of 449378676 is 676873944.

It is a happy number.

449378676 is a `hidden beast` number, since 4 + 493 + 7 + 86 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 448338276 + 1040400 = 21174^2 + 1020^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6241335 + ... + 6241406.

Almost surely, 2^449378676 is an apocalyptic number.

It is an amenable number.

449378676 is an abundant number, since it is smaller than the sum of its proper divisors (686550846).

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

449378676 is a wasteful number, since it uses less digits than its factorization.

449378676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482751 (or 12482746 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 449378676 is about 21198.5536299060. The cubic root of 449378676 is about 765.9565836954.

It can be divided in two parts, 449378 and 676, that added together give a palindrome (450054).

The spelling of 449378676 in words is "four hundred forty-nine million, three hundred seventy-eight thousand, six hundred seventy-six".