448400670 has 96 divisors (see below), whose sum is σ = 1165080672. Its totient is φ = 110063616.

The previous prime is 448400657. The next prime is 448400681. The reversal of 448400670 is 76004844.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1432434 + ... + 1432746.

It is an arithmetic number, because the mean of its divisors is an integer number (12136257).

Almost surely, 2^448400670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448400670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582540336).

448400670 is an abundant number, since it is smaller than the sum of its proper divisors (716680002).

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

448400670 is a wasteful number, since it uses less digits than its factorization.

448400670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 448400670 is about 21175.4733123017. The cubic root of 448400670 is about 765.4005164890.

The spelling of 448400670 in words is "four hundred forty-eight million, four hundred thousand, six hundred seventy".