33006432140 has 24 divisors (see below), whose sum is σ = 75614735952. Its totient is φ = 12002338880.

The previous prime is 33006432139. The next prime is 33006432197. The reversal of 33006432140 is 4123460033.

It is a happy number.

It is a super-2 number, since 2×33006432140² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75014399 + ... + 75014838.

It is an arithmetic number, because the mean of its divisors is an integer number (3150613998).

Almost surely, 2^33006432140 is an apocalyptic number.

It is an amenable number.

33006432140 is an abundant number, since it is smaller than the sum of its proper divisors (42608303812).

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

33006432140 is a wasteful number, since it uses less digits than its factorization.

33006432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150029257 (or 150029255 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 33006432140 its reverse (4123460033), we get a palindrome (37129892173).

The spelling of 33006432140 in words is "thirty-three billion, six million, four hundred thirty-two thousand, one hundred forty".