2605880088 has 192 divisors, whose sum is σ = 8816670720. Its totient is φ = 678067200.

The previous prime is 2605880083. The next prime is 2605880099. The reversal of 2605880088 is 8800885062.

2605880088 is a `hidden beast` number, since 2 + 60 + 588 + 0 + 0 + 8 + 8 = 666.

It is a super-2 number, since 2×2605880088² = 13581222066069775488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605880083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260703 + ... + 270513.

It is an arithmetic number, because the mean of its divisors is an integer number (45920160).

Almost surely, 2^2605880088 is an apocalyptic number.

2605880088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2605880088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4408335360).

2605880088 is an abundant number, since it is smaller than the sum of its proper divisors (6210790632).

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

2605880088 is a wasteful number, since it uses less digits than its factorization.

2605880088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878 (or 9871 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 2605880088 is about 51047.8215793779. The cubic root of 2605880088 is about 1376.1046924918.

The spelling of 2605880088 in words is "two billion, six hundred five million, eight hundred eighty thousand, eighty-eight".