18075380202 has 80 divisors (see below), whose sum is σ = 44259016032. Its totient is φ = 5468122080.

The previous prime is 18075380201. The next prime is 18075380207. The reversal of 18075380202 is 20208357081.

18075380202 is a `hidden beast` number, since 1 + 8 + 0 + 75 + 380 + 202 = 666.

It is not an unprimeable number, because it can be changed into a prime (18075380201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1084093 + ... + 1100639.

Almost surely, 2^18075380202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18075380202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22129508016).

18075380202 is an abundant number, since it is smaller than the sum of its proper divisors (26183635830).

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

18075380202 is a wasteful number, since it uses less digits than its factorization.

18075380202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17185 (or 17176 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 18075380202 in words is "eighteen billion, seventy-five million, three hundred eighty thousand, two hundred two".