4213228421448 has 36 divisors (see below), whose sum is σ = 11410874146035. Its totient is φ = 1404403668144.

The previous prime is 4213228421443. The next prime is 4213228421509. The reversal of 4213228421448 is 8441248223124.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

4213228421448 is a `hidden beast` number, since 4 + 213 + 2 + 2 + 8 + 421 + 4 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2106614210724 + 2106614210724 = 1451418^2 + 1451418^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1451418.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4213228421443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17296065 + ... + 17537967.

Almost surely, 2^{4213228421448} is an apocalyptic number.

It is an amenable number.

4213228421448 is an abundant number, since it is smaller than the sum of its proper divisors (7197645724587).

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

4213228421448 is an frugal number, since it uses more digits than its factorization.

4213228421448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483818 (or 241908 counting only the distinct ones).

The product of its digits is 786432, while the sum is 45.

The spelling of 4213228421448 in words is "four trillion, two hundred thirteen billion, two hundred twenty-eight million, four hundred twenty-one thousand, four hundred forty-eight".