260609642 has 32 divisors (see below), whose sum is σ = 419904000. Its totient is φ = 121019008.

The previous prime is 260609623. The next prime is 260609647. The reversal of 260609642 is 246906062.

260609642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260609647) 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, 321734 + ... + 322542.

It is an arithmetic number, because the mean of its divisors is an integer number (13122000).

Almost surely, 2^260609642 is an apocalyptic number.

260609642 is a deficient number, since it is larger than the sum of its proper divisors (159294358).

260609642 is a wasteful number, since it uses less digits than its factorization.

260609642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 260609642 is about 16143.4086239555. The cubic root of 260609642 is about 638.7488921209.

The spelling of 260609642 in words is "two hundred sixty million, six hundred nine thousand, six hundred forty-two".