3552449920 has 128 divisors (see below), whose sum is σ = 8937280800. Its totient is φ = 1348485120.

The previous prime is 3552449909. The next prime is 3552449939. The reversal of 3552449920 is 299442553.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969051 + ... + 972709.

Almost surely, 2^3552449920 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 3552449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4468640400).

3552449920 is an abundant number, since it is smaller than the sum of its proper divisors (5384830880).

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

3552449920 is a wasteful number, since it uses less digits than its factorization.

3552449920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 3552449920 is about 59602.4321651390. The cubic root of 3552449920 is about 1525.8411441347.

The spelling of 3552449920 in words is "three billion, five hundred fifty-two million, four hundred forty-nine thousand, nine hundred twenty".