3349515528 has 72 divisors (see below), whose sum is σ = 9373870350. Its totient is φ = 1080466560.

The previous prime is 3349515517. The next prime is 3349515563. The reversal of 3349515528 is 8255159433.

3349515528 is a `hidden beast` number, since 3 + 3 + 4 + 95 + 1 + 552 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1720424484 + 1629091044 = 41478^2 + 40362^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×3349515528² = 22438508544626237568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44988 + ... + 93396.

Almost surely, 2^3349515528 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 3349515528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4686935175).

3349515528 is an abundant number, since it is smaller than the sum of its proper divisors (6024354822).

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

3349515528 is a wasteful number, since it uses less digits than its factorization.

3349515528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48483 (or 48445 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 3349515528 is about 57874.9991619870. Note that the first 3 decimals coincide. The cubic root of 3349515528 is about 1496.2149797814.

The spelling of 3349515528 in words is "three billion, three hundred forty-nine million, five hundred fifteen thousand, five hundred twenty-eight".