260026542 has 24 divisors (see below), whose sum is σ = 569202816. Its totient is φ = 85781376.

The previous prime is 260026519. The next prime is 260026549. The reversal of 260026542 is 245620062.

260026542 is a `hidden beast` number, since 2 + 6 + 0 + 0 + 2 + 654 + 2 = 666.

It is a super-2 number, since 2×260026542² = 135227605088955528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260026549) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 72718 + ... + 76209.

It is an arithmetic number, because the mean of its divisors is an integer number (23716784).

Almost surely, 2^260026542 is an apocalyptic number.

260026542 is an abundant number, since it is smaller than the sum of its proper divisors (309176274).

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

260026542 is a wasteful number, since it uses less digits than its factorization.

260026542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149032 (or 149029 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 260026542 is about 16125.3385080748. The cubic root of 260026542 is about 638.2721476635.

The spelling of 260026542 in words is "two hundred sixty million, twenty-six thousand, five hundred forty-two".