33215005140 has 96 divisors (see below), whose sum is σ = 95242815360. Its totient is φ = 8644263936.

The previous prime is 33215005099. The next prime is 33215005171. The reversal of 33215005140 is 4150051233.

It is a super-3 number, since 3×33215005140³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 33215005140.

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, 3630652 + ... + 3639788.

It is an arithmetic number, because the mean of its divisors is an integer number (992112660).

Almost surely, 2^33215005140 is an apocalyptic number.

33215005140 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 33215005140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47621407680).

33215005140 is an abundant number, since it is smaller than the sum of its proper divisors (62027810220).

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

33215005140 is a wasteful number, since it uses less digits than its factorization.

33215005140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10601 (or 10599 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 33215005140 its reverse (4150051233), we get a palindrome (37365056373).

The spelling of 33215005140 in words is "thirty-three billion, two hundred fifteen million, five thousand, one hundred forty".