260309430581 has 8 divisors (see below), whose sum is σ = 266281641984. Its totient is φ = 254355290640.

The previous prime is 260309430571. The next prime is 260309430583. The reversal of 260309430581 is 185034903062.

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 260309430581 - 2³⁴ = 243129561397 is a prime.

It is a super-2 number, since 2×260309430581² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260309430583) 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, 4488725 + ... + 4546346.

It is an arithmetic number, because the mean of its divisors is an integer number (33285205248).

Almost surely, 2^260309430581 is an apocalyptic number.

It is an amenable number.

260309430581 is a deficient number, since it is larger than the sum of its proper divisors (5972211403).

260309430581 is an equidigital number, since it uses as much as digits as its factorization.

260309430581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035731.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 260309430581 in words is "two hundred sixty billion, three hundred nine million, four hundred thirty thousand, five hundred eighty-one".