448871400 has 144 divisors (see below), whose sum is σ = 1596242700. Its totient is φ = 112650240.

The previous prime is 448871399. The next prime is 448871407. The reversal of 448871400 is 4178844.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 259918884 + 188952516 = 16122^2 + 13746^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (448871407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23266 + ... + 37934.

Almost surely, 2^448871400 is an apocalyptic number.

448871400 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 448871400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798121350).

448871400 is an abundant number, since it is smaller than the sum of its proper divisors (1147371300).

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

448871400 is a wasteful number, since it uses less digits than its factorization.

448871400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708 (or 14696 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 448871400 is about 21186.5853784889. The cubic root of 448871400 is about 765.6682613900.

The spelling of 448871400 in words is "four hundred forty-eight million, eight hundred seventy-one thousand, four hundred".