260644044424 has 8 divisors (see below), whose sum is σ = 488707583310. Its totient is φ = 130322022208.

The previous prime is 260644044413. The next prime is 260644044469. The reversal of 260644044424 is 424440446062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 136375104100 + 124268940324 = 369290^2 + 352518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16290252769 + ... + 16290252784.

Almost surely, 2^260644044424 is an apocalyptic number.

It is an amenable number.

260644044424 is a deficient number, since it is larger than the sum of its proper divisors (228063538886).

260644044424 is a wasteful number, since it uses less digits than its factorization.

260644044424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32580505559 (or 32580505555 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 260644044424 in words is "two hundred sixty billion, six hundred forty-four million, forty-four thousand, four hundred twenty-four".