449253268 has 12 divisors (see below), whose sum is σ = 813303540. Its totient is φ = 216880832.

The previous prime is 449253263. The next prime is 449253283. The reversal of 449253268 is 862352944.

It can be written as a sum of positive squares in 2 ways, for example, as 273637764 + 175615504 = 16542^2 + 13252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449253263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936321 + ... + 1936552.

It is an arithmetic number, because the mean of its divisors is an integer number (67775295).

Almost surely, 2^449253268 is an apocalyptic number.

It is an amenable number.

449253268 is a deficient number, since it is larger than the sum of its proper divisors (364050272).

449253268 is a wasteful number, since it uses less digits than its factorization.

449253268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872906 (or 3872904 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 449253268 is about 21195.5954858551. The cubic root of 449253268 is about 765.8853252926.

The spelling of 449253268 in words is "four hundred forty-nine million, two hundred fifty-three thousand, two hundred sixty-eight".