3555434120 has 96 divisors (see below), whose sum is σ = 9402243480. Its totient is φ = 1206374400.

The previous prime is 3555434107. The next prime is 3555434123. The reversal of 3555434120 is 214345553.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2190427204 + 1365006916 = 46802^2 + 36946^2 .

It is a super-2 number, since 2×3555434120² = 25282223563320348800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3555434123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180770 + ... + 199470.

Almost surely, 2^3555434120 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 3555434120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4701121740).

3555434120 is an abundant number, since it is smaller than the sum of its proper divisors (5846809360).

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

3555434120 is a wasteful number, since it uses less digits than its factorization.

3555434120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18823 (or 18812 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 3555434120 is about 59627.4611232107. The cubic root of 3555434120 is about 1526.2682804137.

Adding to 3555434120 its reverse (214345553), we get a palindrome (3769779673).

The spelling of 3555434120 in words is "three billion, five hundred fifty-five million, four hundred thirty-four thousand, one hundred twenty".