260670642 has 16 divisors (see below), whose sum is σ = 531178560. Its totient is φ = 85250672.

The previous prime is 260670637. The next prime is 260670653. The reversal of 260670642 is 246076062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409542 + ... + 410177.

It is an arithmetic number, because the mean of its divisors is an integer number (33198660).

Almost surely, 2^260670642 is an apocalyptic number.

260670642 is an abundant number, since it is smaller than the sum of its proper divisors (270507918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260670642 is a wasteful number, since it uses less digits than its factorization.

260670642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819777.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 260670642 is about 16145.2978293991. The cubic root of 260670642 is about 638.7987248164.

The spelling of 260670642 in words is "two hundred sixty million, six hundred seventy thousand, six hundred forty-two".