449860144 has 10 divisors (see below), whose sum is σ = 871604060. Its totient is φ = 224930064.

The previous prime is 449860141. The next prime is 449860181. The reversal of 449860144 is 441068944.

It is a junction number, because it is equal to n+sod(n) for n = 449860097 and 449860106.

It is not an unprimeable number, because it can be changed into a prime (449860141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14058114 + ... + 14058145.

It is an arithmetic number, because the mean of its divisors is an integer number (87160406).

Almost surely, 2^449860144 is an apocalyptic number.

It is an amenable number.

449860144 is a deficient number, since it is larger than the sum of its proper divisors (421743916).

449860144 is a wasteful number, since it uses less digits than its factorization.

449860144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28116267 (or 28116261 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 449860144 is about 21209.9067418978. The cubic root of 449860144 is about 766.2300367812.

The spelling of 449860144 in words is "four hundred forty-nine million, eight hundred sixty thousand, one hundred forty-four".