449279450 has 12 divisors (see below), whose sum is σ = 835659870. Its totient is φ = 179711760.

The previous prime is 449279429. The next prime is 449279471. The reversal of 449279450 is 54972944.

It is an interprime number because it is at equal distance from previous prime (449279429) and next prime (449279471).

It can be written as a sum of positive squares in 3 ways, for example, as 395095129 + 54184321 = 19877^2 + 7361^2 .

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, 4492745 + ... + 4492844.

Almost surely, 2^449279450 is an apocalyptic number.

449279450 is a deficient number, since it is larger than the sum of its proper divisors (386380420).

449279450 is a wasteful number, since it uses less digits than its factorization.

449279450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985601 (or 8985596 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 449279450 is about 21196.2131051752. The cubic root of 449279450 is about 765.9002033295.

The spelling of 449279450 in words is "four hundred forty-nine million, two hundred seventy-nine thousand, four hundred fifty".