2305356672 has 64 divisors (see below), whose sum is σ = 6483834000. Its totient is φ = 723247104.

The previous prime is 2305356661. The next prime is 2305356673. The reversal of 2305356672 is 2766535032.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 2305356672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305356673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170047 + ... + 183102.

Almost surely, 2^2305356672 is an apocalyptic number.

It is an amenable number.

2305356672 is an abundant number, since it is smaller than the sum of its proper divisors (4178477328).

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

2305356672 is a wasteful number, since it uses less digits than its factorization.

2305356672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353183 (or 353171 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The square root of 2305356672 is about 48014.1299202641. The cubic root of 2305356672 is about 1321.0300866690.

The spelling of 2305356672 in words is "two billion, three hundred five million, three hundred fifty-six thousand, six hundred seventy-two".