260646240446 has 16 divisors (see below), whose sum is σ = 394894958400. Its totient is φ = 129014944800.

The previous prime is 260646240443. The next prime is 260646240467. The reversal of 260646240446 is 644042646062.

It is a junction number, because it is equal to n+sod(n) for n = 260646240397 and 260646240406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260646240443) 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, 1439435 + ... + 1610361.

It is an arithmetic number, because the mean of its divisors is an integer number (24680934900).

Almost surely, 2^260646240446 is an apocalyptic number.

260646240446 is a deficient number, since it is larger than the sum of its proper divisors (134248717954).

260646240446 is a wasteful number, since it uses less digits than its factorization.

260646240446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178579.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 260646240446 in words is "two hundred sixty billion, six hundred forty-six million, two hundred forty thousand, four hundred forty-six".