2606040155 has 32 divisors (see below), whose sum is σ = 3292470720.
Its totient is φ = 1977937920.
The previous prime is 2606040119. The next prime is 2606040163. The reversal of 2606040155 is 5510406062.
It is not a de Polignac number, because 2606040155 - 26 = 2606040091 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2582291 + ... + 2583299.
It is an arithmetic number, because the mean of its divisors is an integer number (102889710).
Almost surely, 22606040155 is an apocalyptic number.
2606040155 is a deficient number, since it is larger than the sum of its proper divisors (686430565).
2606040155 is a wasteful number, since it uses less digits than its factorization.
2606040155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1391.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 2606040155 is about 51049.3893695116.
The cubic root of 2606040155 is about 1376.1328678020.
The spelling of 2606040155 in words is "two billion, six hundred six million, forty thousand, one hundred fifty-five".