33525520520 has 128 divisors (see below), whose sum is σ = 80260156800. Its totient is φ = 12568006656.

The previous prime is 33525520477. The next prime is 33525520541. The reversal of 33525520520 is 2502552533.

It is a happy number.

It is a super-2 number, since 2×33525520520² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 34314272 + ... + 34315248.

It is an arithmetic number, because the mean of its divisors is an integer number (627032475).

Almost surely, 2^33525520520 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 33525520520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40130078400).

33525520520 is an abundant number, since it is smaller than the sum of its proper divisors (46734636280).

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

33525520520 is a wasteful number, since it uses less digits than its factorization.

33525520520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 33525520520 in words is "thirty-three billion, five hundred twenty-five million, five hundred twenty thousand, five hundred twenty".