2321168740 has 48 divisors (see below), whose sum is σ = 5548798080. Its totient is φ = 807361280.

The previous prime is 2321168723. The next prime is 2321168749. The reversal of 2321168740 is 478611232.

It is a junction number, because it is equal to n+sod(n) for n = 2321168696 and 2321168705.

It is not an unprimeable number, because it can be changed into a prime (2321168749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224305 + ... + 234424.

It is an arithmetic number, because the mean of its divisors is an integer number (115599960).

Almost surely, 2^2321168740 is an apocalyptic number.

2321168740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321168740 is an abundant number, since it is smaller than the sum of its proper divisors (3227629340).

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

2321168740 is a wasteful number, since it uses less digits than its factorization.

2321168740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458772 (or 458770 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2321168740 is about 48178.5091093529. The cubic root of 2321168740 is about 1324.0434515363.

Adding to 2321168740 its reverse (478611232), we get a palindrome (2799779972).

The spelling of 2321168740 in words is "two billion, three hundred twenty-one million, one hundred sixty-eight thousand, seven hundred forty".