13330442988 has 18 divisors (see below), whose sum is σ = 33696397644. Its totient is φ = 4443480984.

The previous prime is 13330442987. The next prime is 13330442989. The reversal of 13330442988 is 88924403331.

It is an interprime number because it is at equal distance from previous prime (13330442987) and next prime (13330442989).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (13330442987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185145006 + ... + 185145077.

Almost surely, 2^13330442988 is an apocalyptic number.

13330442988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13330442988 is an abundant number, since it is smaller than the sum of its proper divisors (20365954656).

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

13330442988 is a wasteful number, since it uses less digits than its factorization.

13330442988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370290093 (or 370290088 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 13330442988 in words is "thirteen billion, three hundred thirty million, four hundred forty-two thousand, nine hundred eighty-eight".