2775215104 has 44 divisors (see below), whose sum is σ = 5557342984. Its totient is φ = 1385201664.

The previous prime is 2775215089. The next prime is 2775215111. The reversal of 2775215104 is 4015125772.

It is a self number, because there is not a number n which added to its sum of digits gives 2775215104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687139 + ... + 691165.

Almost surely, 2^2775215104 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 2775215104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778671492).

2775215104 is an abundant number, since it is smaller than the sum of its proper divisors (2782127880).

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

2775215104 is an equidigital number, since it uses as much as digits as its factorization.

2775215104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720 (or 4702 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 2775215104 is about 52680.3104015153. The cubic root of 2775215104 is about 1405.2886872754.

The spelling of 2775215104 in words is "two billion, seven hundred seventy-five million, two hundred fifteen thousand, one hundred four".