449803155 has 16 divisors (see below), whose sum is σ = 720185760. Its totient is φ = 239728128.

The previous prime is 449803147. The next prime is 449803181. The reversal of 449803155 is 551308944.

It is not a de Polignac number, because 449803155 - 2³ = 449803147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13641 + ... + 32949.

It is an arithmetic number, because the mean of its divisors is an integer number (45011610).

Almost surely, 2^449803155 is an apocalyptic number.

449803155 is a deficient number, since it is larger than the sum of its proper divisors (270382605).

449803155 is a wasteful number, since it uses less digits than its factorization.

449803155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20870.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 449803155 is about 21208.5632469529. The cubic root of 449803155 is about 766.1976796674.

The spelling of 449803155 in words is "four hundred forty-nine million, eight hundred three thousand, one hundred fifty-five".