33215234140 has 48 divisors (see below), whose sum is σ = 76106558304. Its totient is φ = 12076128000.

The previous prime is 33215234137. The next prime is 33215234153. The reversal of 33215234140 is 4143251233.

It is a happy number.

It is a super-2 number, since 2×33215234140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33215234099 and 33215234108.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1772902 + ... + 1791538.

It is an arithmetic number, because the mean of its divisors is an integer number (1585553298).

Almost surely, 2^33215234140 is an apocalyptic number.

It is an amenable number.

33215234140 is an abundant number, since it is smaller than the sum of its proper divisors (42891324164).

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

33215234140 is a wasteful number, since it uses less digits than its factorization.

33215234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26758 (or 26756 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 33215234140 its reverse (4143251233), we get a palindrome (37358485373).

The spelling of 33215234140 in words is "thirty-three billion, two hundred fifteen million, two hundred thirty-four thousand, one hundred forty".