448911047 has 16 divisors (see below), whose sum is σ = 497556192. Its totient is φ = 402330240.

The previous prime is 448910971. The next prime is 448911059. The reversal of 448911047 is 740119844.

It is not a de Polignac number, because 448911047 - 2²⁸ = 180475591 is a prime.

It is a super-2 number, since 2×448911047² = 403042256237272418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448911047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448911077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382772 + ... + 383942.

It is an arithmetic number, because the mean of its divisors is an integer number (31097262).

Almost surely, 2^448911047 is an apocalyptic number.

448911047 is a deficient number, since it is larger than the sum of its proper divisors (48645145).

448911047 is a wasteful number, since it uses less digits than its factorization.

448911047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 448911047 is about 21187.5210206385. The cubic root of 448911047 is about 765.6908035226.

The spelling of 448911047 in words is "four hundred forty-eight million, nine hundred eleven thousand, forty-seven".