260642336464444 has 96 divisors (see below), whose sum is σ = 528842312510400. Its totient is φ = 111258587381760.

The previous prime is 260642336464421. The next prime is 260642336464457. The reversal of 260642336464444 is 444464633246062.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136390812 + ... + 138288604.

It is an arithmetic number, because the mean of its divisors is an integer number (5508774088650).

Almost surely, 2^{260642336464444} is an apocalyptic number.

It is an amenable number.

260642336464444 is an abundant number, since it is smaller than the sum of its proper divisors (268199976045956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260642336464444 is a wasteful number, since it uses less digits than its factorization.

260642336464444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900783 (or 1900781 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 58.

The spelling of 260642336464444 in words is "two hundred sixty trillion, six hundred forty-two billion, three hundred thirty-six million, four hundred sixty-four thousand, four hundred forty-four".