533225551640 has 128 divisors (see below), whose sum is σ = 1274506047360. Its totient is φ = 200085479424.

The previous prime is 533225551561. The next prime is 533225551693. The reversal of 533225551640 is 46155522335.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 477372362 + ... + 477373478.

It is an arithmetic number, because the mean of its divisors is an integer number (9957078495).

Almost surely, 2^533225551640 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 533225551640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637253023680).

533225551640 is an abundant number, since it is smaller than the sum of its proper divisors (741280495720).

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

533225551640 is a wasteful number, since it uses less digits than its factorization.

533225551640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 533225551640 in words is "five hundred thirty-three billion, two hundred twenty-five million, five hundred fifty-one thousand, six hundred forty".