260040245 has 64 divisors (see below), whose sum is σ = 365783040. Its totient is φ = 176332800.

The previous prime is 260040241. The next prime is 260040259. The reversal of 260040245 is 542040062.

It is not a de Polignac number, because 260040245 - 2² = 260040241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260040245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260040241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3132974 + ... + 3133056.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2^260040245 is an apocalyptic number.

It is an amenable number.

260040245 is a deficient number, since it is larger than the sum of its proper divisors (105742795).

260040245 is a wasteful number, since it uses less digits than its factorization.

260040245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 260040245 is about 16125.7633927824. The cubic root of 260040245 is about 638.2833594544.

The spelling of 260040245 in words is "two hundred sixty million, forty thousand, two hundred forty-five".