449218804 has 6 divisors (see below), whose sum is σ = 786132914. Its totient is φ = 224609400.

The previous prime is 449218793. The next prime is 449218817. The reversal of 449218804 is 408812944.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 412008804 + 37210000 = 20298^2 + 6100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56152347 + ... + 56152354.

Almost surely, 2^449218804 is an apocalyptic number.

It is an amenable number.

449218804 is a deficient number, since it is larger than the sum of its proper divisors (336914110).

449218804 is a wasteful number, since it uses less digits than its factorization.

449218804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112304705 (or 112304703 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 449218804 is about 21194.7824711649. The cubic root of 449218804 is about 765.8657400915.

The spelling of 449218804 in words is "four hundred forty-nine million, two hundred eighteen thousand, eight hundred four".