4449521382 has 8 divisors (see below), whose sum is σ = 8899042776. Its totient is φ = 1483173792.

The previous prime is 4449521341. The next prime is 4449521387. The reversal of 4449521382 is 2831259444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

4449521382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449521387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370793443 + ... + 370793454.

It is an arithmetic number, because the mean of its divisors is an integer number (1112380347).

Almost surely, 2^4449521382 is an apocalyptic number.

4449521382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4449521382 is a wasteful number, since it uses less digits than its factorization.

4449521382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741586902.

The product of its digits is 276480, while the sum is 42.

The square root of 4449521382 is about 66704.7328305871. The cubic root of 4449521382 is about 1644.7671848956.

The spelling of 4449521382 in words is "four billion, four hundred forty-nine million, five hundred twenty-one thousand, three hundred eighty-two".