18202044355 has 32 divisors (see below), whose sum is σ = 24026720256. Its totient is φ = 13128000000.

The previous prime is 18202044353. The next prime is 18202044389. The reversal of 18202044355 is 55344020281.

It is not a de Polignac number, because 18202044355 - 2¹ = 18202044353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18202044355.

It is not an unprimeable number, because it can be changed into a prime (18202044353) by changing a digit.

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, 3324270 + ... + 3329740.

It is an arithmetic number, because the mean of its divisors is an integer number (750835008).

Almost surely, 2^18202044355 is an apocalyptic number.

18202044355 is a deficient number, since it is larger than the sum of its proper divisors (5824675901).

18202044355 is a wasteful number, since it uses less digits than its factorization.

18202044355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 18202044355 in words is "eighteen billion, two hundred two million, forty-four thousand, three hundred fifty-five".