448815492 has 60 divisors (see below), whose sum is σ = 1235061520. Its totient is φ = 141729264.

The previous prime is 448815481. The next prime is 448815503. The reversal of 448815492 is 294518844.

It is an interprime number because it is at equal distance from previous prime (448815481) and next prime (448815503).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30298 + ... + 42609.

Almost surely, 2^448815492 is an apocalyptic number.

It is an amenable number.

448815492 is an abundant number, since it is smaller than the sum of its proper divisors (786246028).

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

448815492 is a wasteful number, since it uses less digits than its factorization.

448815492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72942 (or 72931 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 448815492 is about 21185.2659176136. The cubic root of 448815492 is about 765.6364714694.

The spelling of 448815492 in words is "four hundred forty-eight million, eight hundred fifteen thousand, four hundred ninety-two".