448931840 has 96 divisors (see below), whose sum is σ = 1231251840. Its totient is φ = 153894912.

The previous prime is 448931809. The next prime is 448931843. The reversal of 448931840 is 48139844.

It is not an unprimeable number, because it can be changed into a prime (448931843) 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, 68549 + ... + 74811.

It is an arithmetic number, because the mean of its divisors is an integer number (12825540).

Almost surely, 2^448931840 is an apocalyptic number.

448931840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448931840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615625920).

448931840 is an abundant number, since it is smaller than the sum of its proper divisors (782320000).

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

448931840 is an equidigital number, since it uses as much as digits as its factorization.

448931840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297 (or 6277 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 448931840 is about 21188.0117047353. The cubic root of 448931840 is about 765.7026252879.

The spelling of 448931840 in words is "four hundred forty-eight million, nine hundred thirty-one thousand, eight hundred forty".