448881511 has 8 divisors (see below), whose sum is σ = 487847360. Its totient is φ = 410549472.

The previous prime is 448881509. The next prime is 448881533. The reversal of 448881511 is 115188844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448881511 - 2¹ = 448881509 is a prime.

It is a super-2 number, since 2×448881511² = 402989221835286242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448881011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156975 + ... + 159808.

It is an arithmetic number, because the mean of its divisors is an integer number (60980920).

Almost surely, 2^448881511 is an apocalyptic number.

448881511 is a deficient number, since it is larger than the sum of its proper divisors (38965849).

448881511 is a wasteful number, since it uses less digits than its factorization.

448881511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316905.

The product of its digits is 40960, while the sum is 40.

The square root of 448881511 is about 21186.8239951155. The cubic root of 448881511 is about 765.6740103370.

The spelling of 448881511 in words is "four hundred forty-eight million, eight hundred eighty-one thousand, five hundred eleven".