3449878152 has 128 divisors (see below), whose sum is σ = 10222018560. Its totient is φ = 949455360.

The previous prime is 3449878147. The next prime is 3449878181. The reversal of 3449878152 is 2518789443.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3449878095 and 3449878104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212043 + ... + 1214885.

It is an arithmetic number, because the mean of its divisors is an integer number (79859520).

Almost surely, 2^3449878152 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 3449878152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5111009280).

3449878152 is an abundant number, since it is smaller than the sum of its proper divisors (6772140408).

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

3449878152 is a wasteful number, since it uses less digits than its factorization.

3449878152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3119 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 3449878152 is about 58735.6633741375. The cubic root of 3449878152 is about 1511.0120186863.

The spelling of 3449878152 in words is "three billion, four hundred forty-nine million, eight hundred seventy-eight thousand, one hundred fifty-two".