448407456 has 48 divisors (see below), whose sum is σ = 1345224384. Its totient is φ = 128116224.

The previous prime is 448407451. The next prime is 448407461. The reversal of 448407456 is 654704844.

It is an interprime number because it is at equal distance from previous prime (448407451) and next prime (448407461).

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

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (448407451) 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, 332965 + ... + 334308.

It is an arithmetic number, because the mean of its divisors is an integer number (28025508).

Almost surely, 2^448407456 is an apocalyptic number.

It is an amenable number.

448407456 is an abundant number, since it is smaller than the sum of its proper divisors (896816928).

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

448407456 is a wasteful number, since it uses less digits than its factorization.

448407456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667293 (or 667285 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 448407456 is about 21175.6335442414. The cubic root of 448407456 is about 765.4043776055.

The spelling of 448407456 in words is "four hundred forty-eight million, four hundred seven thousand, four hundred fifty-six".