2606655240 has 96 divisors (see below), whose sum is σ = 9681871680. Its totient is φ = 595806336.

The previous prime is 2606655221. The next prime is 2606655253. The reversal of 2606655240 is 425566062.

2606655240 is a `hidden beast` number, since 2 + 6 + 0 + 66 + 552 + 40 = 666.

2606655240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2606655195 and 2606655204.

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, 514674 + ... + 519713.

It is an arithmetic number, because the mean of its divisors is an integer number (100852830).

Almost surely, 2^2606655240 is an apocalyptic number.

2606655240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606655240 is an abundant number, since it is smaller than the sum of its proper divisors (7075216440).

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

2606655240 is a wasteful number, since it uses less digits than its factorization.

2606655240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034411 (or 1034404 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2606655240 is about 51055.4134250228. The cubic root of 2606655240 is about 1376.2411255482.

The spelling of 2606655240 in words is "two billion, six hundred six million, six hundred fifty-five thousand, two hundred forty".