2505655602 has 48 divisors (see below), whose sum is σ = 5792241312. Its totient is φ = 780074880.

The previous prime is 2505655589. The next prime is 2505655637. The reversal of 2505655602 is 2065565052.

2505655602 is a `hidden beast` number, since 2 + 50 + 56 + 556 + 0 + 2 = 666.

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, 8833 + ... + 71339.

It is an arithmetic number, because the mean of its divisors is an integer number (120671694).

Almost surely, 2^2505655602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505655602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896120656).

2505655602 is an abundant number, since it is smaller than the sum of its proper divisors (3286585710).

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

2505655602 is a wasteful number, since it uses less digits than its factorization.

2505655602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62663 (or 62660 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2505655602 is about 50056.5240702948. The cubic root of 2505655602 is about 1358.2314818868.

The spelling of 2505655602 in words is "two billion, five hundred five million, six hundred fifty-five thousand, six hundred two".