448820964 has 36 divisors (see below), whose sum is σ = 1194233040. Its totient is φ = 141732720.

The previous prime is 448820959. The next prime is 448820987. The reversal of 448820964 is 469028844.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327402 + ... + 328769.

It is an arithmetic number, because the mean of its divisors is an integer number (33173140).

Almost surely, 2^448820964 is an apocalyptic number.

It is an amenable number.

448820964 is an abundant number, since it is smaller than the sum of its proper divisors (745412076).

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

448820964 is a wasteful number, since it uses less digits than its factorization.

448820964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656200 (or 656195 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 448820964 is about 21185.3950635809. The cubic root of 448820964 is about 765.6395830270.

It can be divided in two parts, 4488 and 20964, that added together give a palindrome (25452).

The spelling of 448820964 in words is "four hundred forty-eight million, eight hundred twenty thousand, nine hundred sixty-four".