448425540 has 72 divisors (see below), whose sum is σ = 1404119808. Its totient is φ = 115721280.

The previous prime is 448425529. The next prime is 448425581. The reversal of 448425540 is 45524844.

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

It is a junction number, because it is equal to n+sod(n) for n = 448425495 and 448425504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34602 + ... + 45761.

It is an arithmetic number, because the mean of its divisors is an integer number (19501664).

Almost surely, 2^448425540 is an apocalyptic number.

It is an amenable number.

448425540 is an abundant number, since it is smaller than the sum of its proper divisors (955694268).

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

448425540 is a wasteful number, since it uses less digits than its factorization.

448425540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80409 (or 80404 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 448425540 is about 21176.0605401477. The cubic root of 448425540 is about 765.4146668982.

The spelling of 448425540 in words is "four hundred forty-eight million, four hundred twenty-five thousand, five hundred forty".