3533573809920 has 576 divisors, whose sum is σ = 14081410990080. Its totient is φ = 733656268800.

The previous prime is 3533573809867. The next prime is 3533573809943. The reversal of 3533573809920 is 299083753353.

It is a happy number.

It is a super-2 number, since 2×3533573809920² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431393025 + ... + 431401215.

It is an arithmetic number, because the mean of its divisors is an integer number (24446894080).

Almost surely, 2^{3533573809920} is an apocalyptic number.

3533573809920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3533573809920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7040705495040).

3533573809920 is an abundant number, since it is smaller than the sum of its proper divisors (10547837180160).

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

3533573809920 is a wasteful number, since it uses less digits than its factorization.

3533573809920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692 (or 9678 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 57.

The spelling of 3533573809920 in words is "three trillion, five hundred thirty-three billion, five hundred seventy-three million, eight hundred nine thousand, nine hundred twenty".