1439215248 has 80 divisors (see below), whose sum is σ = 4013493120. Its totient is φ = 443046912.

The previous prime is 1439215243. The next prime is 1439215339. The reversal of 1439215248 is 8425129341.

It is not an unprimeable number, because it can be changed into a prime (1439215243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9540 + ... + 54492.

It is an arithmetic number, because the mean of its divisors is an integer number (50168664).

Almost surely, 2^1439215248 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 1439215248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006746560).

1439215248 is an abundant number, since it is smaller than the sum of its proper divisors (2574277872).

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

1439215248 is a wasteful number, since it uses less digits than its factorization.

1439215248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45016 (or 45010 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1439215248 is about 37936.9904974024. The cubic root of 1439215248 is about 1129.0380640752.

The spelling of 1439215248 in words is "one billion, four hundred thirty-nine million, two hundred fifteen thousand, two hundred forty-eight".