260400245 has 16 divisors (see below), whose sum is σ = 358490880. Its totient is φ = 177874944.

The previous prime is 260400233. The next prime is 260400247. The reversal of 260400245 is 542004062.

It is a cyclic number.

It is not a de Polignac number, because 260400245 - 2¹⁰ = 260399221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260400245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260400247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4940 + ... + 23349.

It is an arithmetic number, because the mean of its divisors is an integer number (22405680).

Almost surely, 2^260400245 is an apocalyptic number.

It is an amenable number.

260400245 is a deficient number, since it is larger than the sum of its proper divisors (98090635).

260400245 is a wasteful number, since it uses less digits than its factorization.

260400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28564.

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

The square root of 260400245 is about 16136.9217944439. The cubic root of 260400245 is about 638.5777703625.

The spelling of 260400245 in words is "two hundred sixty million, four hundred thousand, two hundred forty-five".