2605340188 has 12 divisors (see below), whose sum is σ = 4973831352. Its totient is φ = 1184245520.

The previous prime is 2605340159. The next prime is 2605340189. The reversal of 2605340188 is 8810435062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605340189) 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, 29606095 + ... + 29606182.

It is an arithmetic number, because the mean of its divisors is an integer number (414485946).

Almost surely, 2^2605340188 is an apocalyptic number.

It is an amenable number.

2605340188 is a deficient number, since it is larger than the sum of its proper divisors (2368491164).

2605340188 is a wasteful number, since it uses less digits than its factorization.

2605340188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59212292 (or 59212290 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2605340188 is about 51042.5331267953. The cubic root of 2605340188 is about 1376.0096497149.

The spelling of 2605340188 in words is "two billion, six hundred five million, three hundred forty thousand, one hundred eighty-eight".