3535630644 has 96 divisors (see below), whose sum is σ = 10254456576. Its totient is φ = 923212800.

The previous prime is 3535630603. The next prime is 3535630649. The reversal of 3535630644 is 4460365353.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3535630649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94264 + ... + 126320.

It is an arithmetic number, because the mean of its divisors is an integer number (106817256).

Almost surely, 2^3535630644 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 3535630644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5127228288).

3535630644 is an abundant number, since it is smaller than the sum of its proper divisors (6718825932).

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

3535630644 is a wasteful number, since it uses less digits than its factorization.

3535630644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32185 (or 32183 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

The square root of 3535630644 is about 59461.1692115115. The cubic root of 3535630644 is about 1523.4292732082.

Adding to 3535630644 its reverse (4460365353), we get a palindrome (7995995997).

The spelling of 3535630644 in words is "three billion, five hundred thirty-five million, six hundred thirty thousand, six hundred forty-four".