260566542 has 12 divisors (see below), whose sum is σ = 564560880. Its totient is φ = 86855508.

The previous prime is 260566529. The next prime is 260566639. The reversal of 260566542 is 245665062.

260566542 is a `hidden beast` number, since 2 + 60 + 56 + 6 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 260566497 and 260566506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7237942 + ... + 7237977.

It is an arithmetic number, because the mean of its divisors is an integer number (47046740).

Almost surely, 2^260566542 is an apocalyptic number.

260566542 is an abundant number, since it is smaller than the sum of its proper divisors (303994338).

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

260566542 is a wasteful number, since it uses less digits than its factorization.

260566542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475927 (or 14475924 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 260566542 is about 16142.0736586103. The cubic root of 260566542 is about 638.7136777740.

The spelling of 260566542 in words is "two hundred sixty million, five hundred sixty-six thousand, five hundred forty-two".