4381277648 has 40 divisors (see below), whose sum is σ = 9435172896. Its totient is φ = 1953910400.

The previous prime is 4381277609. The next prime is 4381277651. The reversal of 4381277648 is 8467721834.

It is a junction number, because it is equal to n+sod(n) for n = 4381277596 and 4381277605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225518 + ... + 244173.

Almost surely, 2^4381277648 is an apocalyptic number.

It is an amenable number.

4381277648 is an abundant number, since it is smaller than the sum of its proper divisors (5053895248).

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

4381277648 is a wasteful number, since it uses less digits than its factorization.

4381277648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469763 (or 469757 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 4381277648 is about 66191.2203241487. The cubic root of 4381277648 is about 1636.3150518205.

The spelling of 4381277648 in words is "four billion, three hundred eighty-one million, two hundred seventy-seven thousand, six hundred forty-eight".