2325505640 has 16 divisors (see below), whose sum is σ = 5232387780. Its totient is φ = 930202240.

The previous prime is 2325505639. The next prime is 2325505649. The reversal of 2325505640 is 465055232.

It can be written as a sum of positive squares in 2 ways, for example, as 2290388164 + 35117476 = 47858^2 + 5926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2325505597 and 2325505606.

It is not an unprimeable number, because it can be changed into a prime (2325505649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29068781 + ... + 29068860.

Almost surely, 2^2325505640 is an apocalyptic number.

2325505640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2325505640 is an abundant number, since it is smaller than the sum of its proper divisors (2906882140).

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

2325505640 is a wasteful number, since it uses less digits than its factorization.

2325505640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58137652 (or 58137648 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2325505640 is about 48223.4967624705. The cubic root of 2325505640 is about 1324.8675581398.

The spelling of 2325505640 in words is "two billion, three hundred twenty-five million, five hundred five thousand, six hundred forty".