260642799 has 16 divisors (see below), whose sum is σ = 386519040. Its totient is φ = 173590200.

The previous prime is 260642773. The next prime is 260642801. The reversal of 260642799 is 997246062.

It is a de Polignac number, because none of the positive numbers 2^k-260642799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260642729) 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, 26884 + ... + 35270.

It is an arithmetic number, because the mean of its divisors is an integer number (24157440).

Almost surely, 2^260642799 is an apocalyptic number.

260642799 is a deficient number, since it is larger than the sum of its proper divisors (125876241).

260642799 is a wasteful number, since it uses less digits than its factorization.

260642799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9547 (or 9541 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 260642799 is about 16144.4355429355. The cubic root of 260642799 is about 638.7759800147.

The spelling of 260642799 in words is "two hundred sixty million, six hundred forty-two thousand, seven hundred ninety-nine".