260040462642 has 40 divisors (see below), whose sum is σ = 582914396592. Its totient is φ = 86645770200.

The previous prime is 260040462637. The next prime is 260040462677. The reversal of 260040462642 is 246264040062.

260040462642 is a `hidden beast` number, since 2 + 6 + 0 + 0 + 4 + 0 + 4 + 6 + 2 + 642 = 666.

260040462642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260040462642² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260040462597 and 260040462606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92917 + ... + 727127.

Almost surely, 2^260040462642 is an apocalyptic number.

260040462642 is an abundant number, since it is smaller than the sum of its proper divisors (322873933950).

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

260040462642 is a wasteful number, since it uses less digits than its factorization.

260040462642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636756 (or 636747 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 260040462642 in words is "two hundred sixty billion, forty million, four hundred sixty-two thousand, six hundred forty-two".