260078356727444 has 6 divisors (see below), whose sum is σ = 455137124273034. Its totient is φ = 130039178363720.

The previous prime is 260078356727411. The next prime is 260078356727473. The reversal of 260078356727444 is 444727653870062.

It can be written as a sum of positive squares in only one way, i.e., 241975135802500 + 18103220924944 = 15555550^2 + 4254788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32509794590927 + ... + 32509794590934.

It is an arithmetic number, because the mean of its divisors is an integer number (75856187378839).

Almost surely, 2^{260078356727444} is an apocalyptic number.

It is an amenable number.

260078356727444 is a deficient number, since it is larger than the sum of its proper divisors (195058767545590).

260078356727444 is a wasteful number, since it uses less digits than its factorization.

260078356727444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65019589181865 (or 65019589181863 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 65.

The spelling of 260078356727444 in words is "two hundred sixty trillion, seventy-eight billion, three hundred fifty-six million, seven hundred twenty-seven thousand, four hundred forty-four".