2776025560 has 96 divisors (see below), whose sum is σ = 7846382880. Its totient is φ = 865244160.

The previous prime is 2776025513. The next prime is 2776025569. The reversal of 2776025560 is 655206772.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2776025569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7089 + ... + 74848.

It is an arithmetic number, because the mean of its divisors is an integer number (81733155).

Almost surely, 2^2776025560 is an apocalyptic number.

2776025560 is a gapful number since it is divisible by the number (20) 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 2776025560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3923191440).

2776025560 is an abundant number, since it is smaller than the sum of its proper divisors (5070357320).

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

2776025560 is a wasteful number, since it uses less digits than its factorization.

2776025560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81977 (or 81962 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2776025560 is about 52688.0020498026. The cubic root of 2776025560 is about 1405.4254711228.

The spelling of 2776025560 in words is "two billion, seven hundred seventy-six million, twenty-five thousand, five hundred sixty".