2318988732 has 12 divisors (see below), whose sum is σ = 5410973736. Its totient is φ = 772996240.

The previous prime is 2318988719. The next prime is 2318988739. The reversal of 2318988732 is 2378898132.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318988739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96624519 + ... + 96624542.

It is an arithmetic number, because the mean of its divisors is an integer number (450914478).

Almost surely, 2^2318988732 is an apocalyptic number.

It is an amenable number.

2318988732 is an abundant number, since it is smaller than the sum of its proper divisors (3091985004).

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

2318988732 is a wasteful number, since it uses less digits than its factorization.

2318988732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193249068 (or 193249066 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 2318988732 is about 48155.8795164204. The cubic root of 2318988732 is about 1323.6288142362.

The spelling of 2318988732 in words is "two billion, three hundred eighteen million, nine hundred eighty-eight thousand, seven hundred thirty-two".