260240321249 has 8 divisors (see below), whose sum is σ = 269803229160. Its totient is φ = 250716686976.

The previous prime is 260240321239. The next prime is 260240321251. The reversal of 260240321249 is 942123042062.

It can be written as a sum of positive squares in 4 ways, for example, as 110446552225 + 149793769024 = 332335^2 + 387032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260240321249 - 2³⁶ = 191520844513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260240321239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9804914 + ... + 9831419.

It is an arithmetic number, because the mean of its divisors is an integer number (33725403645).

Almost surely, 2^260240321249 is an apocalyptic number.

260240321249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

260240321249 is a deficient number, since it is larger than the sum of its proper divisors (9562907911).

260240321249 is a wasteful number, since it uses less digits than its factorization.

260240321249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19636819.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 260240321249 in words is "two hundred sixty billion, two hundred forty million, three hundred twenty-one thousand, two hundred forty-nine".