33140443155 has 32 divisors (see below), whose sum is σ = 53866695168. Its totient is φ = 17395123200.

The previous prime is 33140443123. The next prime is 33140443157. The reversal of 33140443155 is 55134404133.

It is not a de Polignac number, because 33140443155 - 2⁵ = 33140443123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33140443157) by changing a digit.

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, 580867 + ... + 635363.

It is an arithmetic number, because the mean of its divisors is an integer number (1683334224).

Almost surely, 2^33140443155 is an apocalyptic number.

33140443155 is a deficient number, since it is larger than the sum of its proper divisors (20726252013).

33140443155 is a wasteful number, since it uses less digits than its factorization.

33140443155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55147.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 33140443155 its reverse (55134404133), we get a palindrome (88274847288).

The spelling of 33140443155 in words is "thirty-three billion, one hundred forty million, four hundred forty-three thousand, one hundred fifty-five".