18533240941434 has 16 divisors (see below), whose sum is σ = 37095193348320. Its totient is φ = 6172961736240.

The previous prime is 18533240941433. The next prime is 18533240941463. The reversal of 18533240941434 is 43414904233581.

It is not an unprimeable number, because it can be changed into a prime (18533240941433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196302669 + ... + 1196318160.

It is an arithmetic number, because the mean of its divisors is an integer number (2318449584270).

Almost surely, 2^{18533240941434} is an apocalyptic number.

18533240941434 is an abundant number, since it is smaller than the sum of its proper divisors (18561952406886).

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

18533240941434 is a wasteful number, since it uses less digits than its factorization.

18533240941434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392622125.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 18533240941434 in words is "eighteen trillion, five hundred thirty-three billion, two hundred forty million, nine hundred forty-one thousand, four hundred thirty-four".