2318792728 has 16 divisors (see below), whose sum is σ = 4968841680. Its totient is φ = 993768288.

The previous prime is 2318792719. The next prime is 2318792803. The reversal of 2318792728 is 8272978132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20703451 + ... + 20703562.

It is an arithmetic number, because the mean of its divisors is an integer number (310552605).

Almost surely, 2^2318792728 is an apocalyptic number.

2318792728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2318792728 is an abundant number, since it is smaller than the sum of its proper divisors (2650048952).

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

2318792728 is a wasteful number, since it uses less digits than its factorization.

2318792728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41407026 (or 41407022 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 2318792728 is about 48153.8443740476. The cubic root of 2318792728 is about 1323.5915215651.

The spelling of 2318792728 in words is "two billion, three hundred eighteen million, seven hundred ninety-two thousand, seven hundred twenty-eight".