449143970 has 32 divisors (see below), whose sum is σ = 890709696. Its totient is φ = 161704000.

The previous prime is 449143957. The next prime is 449143979. The reversal of 449143970 is 79341944.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449143979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9104 + ... + 31323.

It is an arithmetic number, because the mean of its divisors is an integer number (27834678).

Almost surely, 2^449143970 is an apocalyptic number.

449143970 is a deficient number, since it is larger than the sum of its proper divisors (441565726).

449143970 is a wasteful number, since it uses less digits than its factorization.

449143970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40546.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 449143970 is about 21193.0170103268. The cubic root of 449143970 is about 765.8232099784.

It can be divided in two parts, 44914 and 3970, that added together give a palindrome (48884).

The spelling of 449143970 in words is "four hundred forty-nine million, one hundred forty-three thousand, nine hundred seventy".