448505134 has 72 divisors (see below), whose sum is σ = 870602040. Its totient is φ = 172640160.

The previous prime is 448505119. The next prime is 448505137. The reversal of 448505134 is 431505844.

It is a self number, because there is not a number n which added to its sum of digits gives 448505134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448505137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1292349 + ... + 1292695.

It is an arithmetic number, because the mean of its divisors is an integer number (12091695).

Almost surely, 2^448505134 is an apocalyptic number.

448505134 is a deficient number, since it is larger than the sum of its proper divisors (422096906).

448505134 is a wasteful number, since it uses less digits than its factorization.

448505134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 448505134 is about 21177.9397959292. The cubic root of 448505134 is about 765.4599503812.

The spelling of 448505134 in words is "four hundred forty-eight million, five hundred five thousand, one hundred thirty-four".