2305718940 has 48 divisors (see below), whose sum is σ = 7378301952. Its totient is φ = 527021376.

The previous prime is 2305718939. The next prime is 2305718983. The reversal of 2305718940 is 498175032.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2744484 + ... + 2745323.

It is an arithmetic number, because the mean of its divisors is an integer number (153714624).

Almost surely, 2^2305718940 is an apocalyptic number.

2305718940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305718940 is an abundant number, since it is smaller than the sum of its proper divisors (5072583012).

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

2305718940 is a wasteful number, since it uses less digits than its factorization.

2305718940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489826 (or 5489824 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2305718940 is about 48017.9022865431. The cubic root of 2305718940 is about 1321.0992794129.

The spelling of 2305718940 in words is "two billion, three hundred five million, seven hundred eighteen thousand, nine hundred forty".