448499870 has 64 divisors (see below), whose sum is σ = 1004040576. Its totient is φ = 140451840.

The previous prime is 448499869. The next prime is 448499873. The reversal of 448499870 is 78994844.

448499870 = 4726² + 4727² + ... + 4745².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448499873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85730 + ... + 90810.

It is an arithmetic number, because the mean of its divisors is an integer number (15688134).

Almost surely, 2^448499870 is an apocalyptic number.

448499870 is an abundant number, since it is smaller than the sum of its proper divisors (555540706).

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

448499870 is a wasteful number, since it uses less digits than its factorization.

448499870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 448499870 is about 21177.8155152981. The cubic root of 448499870 is about 765.4569556946.

The spelling of 448499870 in words is "four hundred forty-eight million, four hundred ninety-nine thousand, eight hundred seventy".