2402642565 has 12 divisors (see below), whose sum is σ = 4164580524. Its totient is φ = 1281409344.

The previous prime is 2402642533. The next prime is 2402642617. The reversal of 2402642565 is 5652462042.

2402642565 is a `hidden beast` number, since 2 + 4 + 0 + 2 + 642 + 5 + 6 + 5 = 666.

2402642565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 256544289 + 2146098276 = 16017^2 + 46326^2 .

It is not a de Polignac number, because 2402642565 - 2⁵ = 2402642533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26695984 + ... + 26696073.

It is an arithmetic number, because the mean of its divisors is an integer number (347048377).

Almost surely, 2^2402642565 is an apocalyptic number.

It is an amenable number.

2402642565 is a deficient number, since it is larger than the sum of its proper divisors (1761937959).

2402642565 is a wasteful number, since it uses less digits than its factorization.

2402642565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53392068 (or 53392065 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2402642565 is about 49016.7580017283. The cubic root of 2402642565 is about 1339.3571143893.

The spelling of 2402642565 in words is "two billion, four hundred two million, six hundred forty-two thousand, five hundred sixty-five".