18202044354 has 16 divisors (see below), whose sum is σ = 39204403392. Its totient is φ = 5600629008.

The previous prime is 18202044353. The next prime is 18202044389. The reversal of 18202044354 is 45344020281.

It is not an unprimeable number, because it can be changed into a prime (18202044353) 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, 116679694 + ... + 116679849.

It is an arithmetic number, because the mean of its divisors is an integer number (2450275212).

Almost surely, 2^18202044354 is an apocalyptic number.

18202044354 is an abundant number, since it is smaller than the sum of its proper divisors (21002359038).

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

18202044354 is a wasteful number, since it uses less digits than its factorization.

18202044354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233359561.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 18202044354 in words is "eighteen billion, two hundred two million, forty-four thousand, three hundred fifty-four".