3533243440 has 80 divisors (see below), whose sum is σ = 8591735808. Its totient is φ = 1348731648.

The previous prime is 3533243431. The next prime is 3533243447. The reversal of 3533243440 is 443423353.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3533243447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894109 + ... + 898051.

Almost surely, 2^3533243440 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 3533243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4295867904).

3533243440 is an abundant number, since it is smaller than the sum of its proper divisors (5058492368).

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

3533243440 is a wasteful number, since it uses less digits than its factorization.

3533243440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 31.

The square root of 3533243440 is about 59441.0921837747. The cubic root of 3533243440 is about 1523.0863305937.

Adding to 3533243440 its reverse (443423353), we get a palindrome (3976666793).

The spelling of 3533243440 in words is "three billion, five hundred thirty-three million, two hundred forty-three thousand, four hundred forty".