448137684 has 72 divisors (see below), whose sum is σ = 1197050400. Its totient is φ = 146543904.

The previous prime is 448137623. The next prime is 448137733. The reversal of 448137684 is 486731844.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47167 + ... + 55865.

It is an arithmetic number, because the mean of its divisors is an integer number (16625700).

Almost surely, 2^448137684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448137684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598525200).

448137684 is an abundant number, since it is smaller than the sum of its proper divisors (748912716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448137684 is a wasteful number, since it uses less digits than its factorization.

448137684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771 (or 8757 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 448137684 is about 21169.2627174401. The cubic root of 448137684 is about 765.2508519899.

The spelling of 448137684 in words is "four hundred forty-eight million, one hundred thirty-seven thousand, six hundred eighty-four".