448720992 has 48 divisors (see below), whose sum is σ = 1308772080. Its totient is φ = 149573376.

The previous prime is 448720969. The next prime is 448721041. The reversal of 448720992 is 299027844.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×448720992² = 402701057322928128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258813 + ... + 260540.

It is an arithmetic number, because the mean of its divisors is an integer number (27266085).

Almost surely, 2^448720992 is an apocalyptic number.

It is an amenable number.

448720992 is an abundant number, since it is smaller than the sum of its proper divisors (860051088).

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

448720992 is a wasteful number, since it uses less digits than its factorization.

448720992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519372 (or 519358 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 448720992 is about 21183.0354765317. The cubic root of 448720992 is about 765.5827316984.

The spelling of 448720992 in words is "four hundred forty-eight million, seven hundred twenty thousand, nine hundred ninety-two".