2655867240 has 96 divisors (see below), whose sum is σ = 9295551720. Its totient is φ = 653750784.

The previous prime is 2655867233. The next prime is 2655867271. The reversal of 2655867240 is 427685562.

2655867240 is a `hidden beast` number, since 2 + 65 + 586 + 7 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2430687204 + 225180036 = 49302^2 + 15006^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279067 + ... + 288426.

Almost surely, 2^2655867240 is an apocalyptic number.

2655867240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655867240 is an abundant number, since it is smaller than the sum of its proper divisors (6639684480).

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

2655867240 is a wasteful number, since it uses less digits than its factorization.

2655867240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567523 (or 567516 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 2655867240 is about 51535.1068690073. The cubic root of 2655867240 is about 1384.8480399079.

The spelling of 2655867240 in words is "two billion, six hundred fifty-five million, eight hundred sixty-seven thousand, two hundred forty".