260739422401 has 4 divisors (see below), whose sum is σ = 264411808704. Its totient is φ = 257067036100.

The previous prime is 260739422393. The next prime is 260739422407. The reversal of 260739422401 is 104224937062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260739422401 - 2³ = 260739422393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260739422407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836193045 + ... + 1836193186.

It is an arithmetic number, because the mean of its divisors is an integer number (66102952176).

Almost surely, 2^260739422401 is an apocalyptic number.

It is an amenable number.

260739422401 is a deficient number, since it is larger than the sum of its proper divisors (3672386303).

260739422401 is an equidigital number, since it uses as much as digits as its factorization.

260739422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672386302.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 260739422401 in words is "two hundred sixty billion, seven hundred thirty-nine million, four hundred twenty-two thousand, four hundred one".