2640755088 has 160 divisors (see below), whose sum is σ = 7862830080. Its totient is φ = 847687680.
The previous prime is 2640755081. The next prime is 2640755111. The reversal of 2640755088 is 8805570462.
2640755088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (2640755081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3923520 + ... + 3924192.
It is an arithmetic number, because the mean of its divisors is an integer number (49142688).
Almost surely, 22640755088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2640755088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931415040).
2640755088 is an abundant number, since it is smaller than the sum of its proper divisors (5222074992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2640755088 is a wasteful number, since it uses less digits than its factorization.
2640755088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014 (or 1002 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 45.
The square root of 2640755088 is about 51388.2777294589. The cubic root of 2640755088 is about 1382.2164005542.
The spelling of 2640755088 in words is "two billion, six hundred forty million, seven hundred fifty-five thousand, eighty-eight".
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