449544478 has 8 divisors (see below), whose sum is σ = 677811168. Its totient is φ = 223607424.

The previous prime is 449544437. The next prime is 449544493. The reversal of 449544478 is 874445944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581926 + ... + 582697.

It is an arithmetic number, because the mean of its divisors is an integer number (84726396).

Almost surely, 2^449544478 is an apocalyptic number.

449544478 is a deficient number, since it is larger than the sum of its proper divisors (228266690).

449544478 is a wasteful number, since it uses less digits than its factorization.

449544478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164818.

The product of its digits is 2580480, while the sum is 49.

The square root of 449544478 is about 21202.4639605872. The cubic root of 449544478 is about 766.0507741296.

The spelling of 449544478 in words is "four hundred forty-nine million, five hundred forty-four thousand, four hundred seventy-eight".