260311642 has 8 divisors (see below), whose sum is σ = 393088500. Its totient is φ = 129282144.

The previous prime is 260311621. The next prime is 260311661. The reversal of 260311642 is 246113062.

260311642 is digitally balanced in base 3, 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 208773601 + 51538041 = 14449^2 + 7179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436467 + ... + 437062.

Almost surely, 2^260311642 is an apocalyptic number.

260311642 is a deficient number, since it is larger than the sum of its proper divisors (132776858).

260311642 is a wasteful number, since it uses less digits than its factorization.

260311642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873680.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 260311642 is about 16134.1762107645. The cubic root of 260311642 is about 638.5053352993.

The spelling of 260311642 in words is "two hundred sixty million, three hundred eleven thousand, six hundred forty-two".