260490744677 has 32 divisors (see below), whose sum is σ = 287228519424. Its totient is φ = 235252326400.

The previous prime is 260490744637. The next prime is 260490744733. The reversal of 260490744677 is 776447094062.

It is a cyclic number.

It is not a de Polignac number, because 260490744677 - 2²⁰ = 260489696101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260490744607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10305068 + ... + 10330314.

It is an arithmetic number, because the mean of its divisors is an integer number (8975891232).

Almost surely, 2^260490744677 is an apocalyptic number.

It is an amenable number.

260490744677 is a deficient number, since it is larger than the sum of its proper divisors (26737774747).

260490744677 is a wasteful number, since it uses less digits than its factorization.

260490744677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25549.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 260490744677 in words is "two hundred sixty billion, four hundred ninety million, seven hundred forty-four thousand, six hundred seventy-seven".