449403264 has 48 divisors (see below), whose sum is σ = 1293208020. Its totient is φ = 149800704.

The previous prime is 449403259. The next prime is 449403299. The reversal of 449403264 is 462304944.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 193902 + ... + 196205.

Almost surely, 2^449403264 is an apocalyptic number.

It is an amenable number.

449403264 is an abundant number, since it is smaller than the sum of its proper divisors (843804756).

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

449403264 is a wasteful number, since it uses less digits than its factorization.

449403264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390127 (or 390112 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 449403264 is about 21199.1335672003. The cubic root of 449403264 is about 765.9705533518.

The spelling of 449403264 in words is "four hundred forty-nine million, four hundred three thousand, two hundred sixty-four".