449021464 has 32 divisors (see below), whose sum is σ = 854899200. Its totient is φ = 221064480.

The previous prime is 449021449. The next prime is 449021477. The reversal of 449021464 is 464120944.

It is a super-3 number, since 3×449021464³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309589 + ... + 311035.

It is an arithmetic number, because the mean of its divisors is an integer number (26715600).

Almost surely, 2^449021464 is an apocalyptic number.

It is an amenable number.

449021464 is a deficient number, since it is larger than the sum of its proper divisors (405877736).

449021464 is a wasteful number, since it uses less digits than its factorization.

449021464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 449021464 is about 21190.1265687584. The cubic root of 449021464 is about 765.7535764269.

The spelling of 449021464 in words is "four hundred forty-nine million, twenty-one thousand, four hundred sixty-four".