3276644448 has 384 divisors, whose sum is σ = 11271536640. Its totient is φ = 808704000.

The previous prime is 3276644429. The next prime is 3276644453. The reversal of 3276644448 is 8444466723.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 3276644397 and 3276644406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18102918 + ... + 18103098.

It is an arithmetic number, because the mean of its divisors is an integer number (29352960).

Almost surely, 2^3276644448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3276644448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5635768320).

3276644448 is an abundant number, since it is smaller than the sum of its proper divisors (7994892192).

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

3276644448 is a wasteful number, since it uses less digits than its factorization.

3276644448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 314 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 48.

The square root of 3276644448 is about 57241.9815170649. The cubic root of 3276644448 is about 1485.2849235057.

The spelling of 3276644448 in words is "three billion, two hundred seventy-six million, six hundred forty-four thousand, four hundred forty-eight".