448660642 has 16 divisors (see below), whose sum is σ = 711120960. Its totient is φ = 211710672.

The previous prime is 448660601. The next prime is 448660643. The reversal of 448660642 is 246066844.

It is a junction number, because it is equal to n+sod(n) for n = 448660595 and 448660604.

It is not an unprimeable number, because it can be changed into a prime (448660643) 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 7 ways as a sum of consecutive naturals, for example, 12453 + ... + 32440.

It is an arithmetic number, because the mean of its divisors is an integer number (44445060).

Almost surely, 2^448660642 is an apocalyptic number.

448660642 is a deficient number, since it is larger than the sum of its proper divisors (262460318).

448660642 is a wasteful number, since it uses less digits than its factorization.

448660642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45177.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 448660642 is about 21181.6109396807. The cubic root of 448660642 is about 765.5484082249.

The spelling of 448660642 in words is "four hundred forty-eight million, six hundred sixty thousand, six hundred forty-two".