448439976 has 192 divisors, whose sum is σ = 1349654400. Its totient is φ = 139618080.

The previous prime is 448439941. The next prime is 448439977. The reversal of 448439976 is 679934844.

It is a happy number.

448439976 is a `hidden beast` number, since 4 + 484 + 3 + 99 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448439977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6316021 + ... + 6316091.

It is an arithmetic number, because the mean of its divisors is an integer number (7029450).

Almost surely, 2^448439976 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 448439976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674827200).

448439976 is an abundant number, since it is smaller than the sum of its proper divisors (901214424).

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

448439976 is an equidigital number, since it uses as much as digits as its factorization.

448439976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 95 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 448439976 is about 21176.4013940046. The cubic root of 448439976 is about 765.4228803819.

The spelling of 448439976 in words is "four hundred forty-eight million, four hundred thirty-nine thousand, nine hundred seventy-six".