2305463640 has 64 divisors (see below), whose sum is σ = 6927379200. Its totient is φ = 613813632.

The previous prime is 2305463609. The next prime is 2305463659. The reversal of 2305463640 is 463645032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62221 + ... + 92099.

It is an arithmetic number, because the mean of its divisors is an integer number (108240300).

Almost surely, 2^2305463640 is an apocalyptic number.

2305463640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305463640 is an abundant number, since it is smaller than the sum of its proper divisors (4621915560).

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

2305463640 is a wasteful number, since it uses less digits than its factorization.

2305463640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30536 (or 30532 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 2305463640 is about 48015.2438294340. The cubic root of 2305463640 is about 1321.0505181800.

The spelling of 2305463640 in words is "two billion, three hundred five million, four hundred sixty-three thousand, six hundred forty".