260543772 has 36 divisors (see below), whose sum is σ = 681309720. Its totient is φ = 83852832.

The previous prime is 260543737. The next prime is 260543779. The reversal of 260543772 is 277345062.

It is a happy number.

260543772 is a `hidden beast` number, since 2 + 605 + 43 + 7 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260543779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123738 + ... + 125825.

It is an arithmetic number, because the mean of its divisors is an integer number (18925270).

Almost surely, 2^260543772 is an apocalyptic number.

It is an amenable number.

260543772 is an abundant number, since it is smaller than the sum of its proper divisors (420765948).

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

260543772 is a wasteful number, since it uses less digits than its factorization.

260543772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249602 (or 249597 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 260543772 is about 16141.3683434832. The cubic root of 260543772 is about 638.6950722462.

260543772 divided by its sum of digits (36) gives a palindrome (7237327).

The spelling of 260543772 in words is "two hundred sixty million, five hundred forty-three thousand, seven hundred seventy-two".