449036690404 has 9 divisors (see below), whose sum is σ = 785816553571. Its totient is φ = 224517675100.

The previous prime is 449036690357. The next prime is 449036690429. The reversal of 449036690404 is 404096630944.

The square root of 449036690404 is 670102.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1172679 + ... + 1507729.

Almost surely, 2^449036690404 is an apocalyptic number.

449036690404 is the 670102-nd square number.

It is an amenable number.

449036690404 is a deficient number, since it is larger than the sum of its proper divisors (336779863167).

449036690404 is an frugal number, since it uses more digits than its factorization.

449036690404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670106 (or 335053 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

Multiplying 449036690404 by its sum of digits (49), we get a square (22002797829796 = 4690714²).

The spelling of 449036690404 in words is "four hundred forty-nine billion, thirty-six million, six hundred ninety thousand, four hundred four".