448643061 has 6 divisors (see below), whose sum is σ = 648039990. Its totient is φ = 299095368.

The previous prime is 448643057. The next prime is 448643087. The reversal of 448643061 is 160346844.

448643061 is a `hidden beast` number, since 4 + 4 + 8 + 643 + 0 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 313502436 + 135140625 = 17706^2 + 11625^2 .

It is not a de Polignac number, because 448643061 - 2² = 448643057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448643011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24924606 + ... + 24924623.

It is an arithmetic number, because the mean of its divisors is an integer number (108006665).

Almost surely, 2^448643061 is an apocalyptic number.

It is an amenable number.

448643061 is a deficient number, since it is larger than the sum of its proper divisors (199396929).

448643061 is a wasteful number, since it uses less digits than its factorization.

448643061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49849235 (or 49849232 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 448643061 is about 21181.1959294087. The cubic root of 448643061 is about 765.5384086237.

The spelling of 448643061 in words is "four hundred forty-eight million, six hundred forty-three thousand, sixty-one".