449377478 has 8 divisors (see below), whose sum is σ = 735345000. Its totient is φ = 204262480.

The previous prime is 449377459. The next prime is 449377483. The reversal of 449377478 is 874773944.

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, 10213103 + ... + 10213146.

It is an arithmetic number, because the mean of its divisors is an integer number (91918125).

Almost surely, 2^449377478 is an apocalyptic number.

449377478 is a deficient number, since it is larger than the sum of its proper divisors (285967522).

449377478 is a wasteful number, since it uses less digits than its factorization.

449377478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426262.

The product of its digits is 4741632, while the sum is 53.

The square root of 449377478 is about 21198.5253732424. The cubic root of 449377478 is about 765.9559030395.

The spelling of 449377478 in words is "four hundred forty-nine million, three hundred seventy-seven thousand, four hundred seventy-eight".