215441448 has 32 divisors (see below), whose sum is σ = 546646560. Its totient is φ = 70741440.

The previous prime is 215441441. The next prime is 215441489. The reversal of 215441448 is 844144512.

It is not an unprimeable number, because it can be changed into a prime (215441441) 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, 65383 + ... + 68598.

It is an arithmetic number, because the mean of its divisors is an integer number (17082705).

Almost surely, 2^215441448 is an apocalyptic number.

It is an amenable number.

215441448 is an abundant number, since it is smaller than the sum of its proper divisors (331205112).

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

215441448 is a wasteful number, since it uses less digits than its factorization.

215441448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134057 (or 134053 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 215441448 is about 14677.9238313871. The cubic root of 215441448 is about 599.4823757926.

The spelling of 215441448 in words is "two hundred fifteen million, four hundred forty-one thousand, four hundred forty-eight".