3555452120 has 64 divisors (see below), whose sum is σ = 8740535040. Its totient is φ = 1290889600.

The previous prime is 3555452081. The next prime is 3555452123. The reversal of 3555452120 is 212545553.

It is a super-2 number, since 2×3555452120² = 25282479555224988800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555452123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294605 + ... + 306435.

It is an arithmetic number, because the mean of its divisors is an integer number (136570860).

Almost surely, 2^3555452120 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 3555452120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370267520).

3555452120 is an abundant number, since it is smaller than the sum of its proper divisors (5185082920).

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

3555452120 is a wasteful number, since it uses less digits than its factorization.

3555452120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536 (or 12532 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 3555452120 is about 59627.6120601857. The cubic root of 3555452120 is about 1526.2708560750.

Adding to 3555452120 its reverse (212545553), we get a palindrome (3767997673).

The spelling of 3555452120 in words is "three billion, five hundred fifty-five million, four hundred fifty-two thousand, one hundred twenty".