2774275560 has 384 divisors, whose sum is σ = 11267942400. Its totient is φ = 577290240.

The previous prime is 2774275541. The next prime is 2774275561. The reversal of 2774275560 is 655724772.

2774275560 is a `hidden beast` number, since 2 + 7 + 74 + 27 + 556 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2774275561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1326996 + ... + 1329084.

It is an arithmetic number, because the mean of its divisors is an integer number (29343600).

Almost surely, 2^2774275560 is an apocalyptic number.

2774275560 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 2774275560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5633971200).

2774275560 is an abundant number, since it is smaller than the sum of its proper divisors (8493666840).

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

2774275560 is a wasteful number, since it uses less digits than its factorization.

2774275560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2154 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 2774275560 is about 52671.3922352542. The cubic root of 2774275560 is about 1405.1300834037.

The spelling of 2774275560 in words is "two billion, seven hundred seventy-four million, two hundred seventy-five thousand, five hundred sixty".