448067980 has 72 divisors (see below), whose sum is σ = 1032490368. Its totient is φ = 162763776.

The previous prime is 448067969. The next prime is 448067981. The reversal of 448067980 is 89760844.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 448067980.

It is not an unprimeable number, because it can be changed into a prime (448067981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285157 + ... + 286723.

It is an arithmetic number, because the mean of its divisors is an integer number (14340144).

Almost surely, 2^448067980 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 448067980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516245184).

448067980 is an abundant number, since it is smaller than the sum of its proper divisors (584422388).

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

448067980 is a wasteful number, since it uses less digits than its factorization.

448067980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 448067980 is about 21167.6163041567. The cubic root of 448067980 is about 765.2111738485.

The spelling of 448067980 in words is "four hundred forty-eight million, sixty-seven thousand, nine hundred eighty".