260720742035 has 16 divisors (see below), whose sum is σ = 348549747840. Its totient is φ = 185893196160.

The previous prime is 260720741989. The next prime is 260720742059. The reversal of 260720742035 is 530247027062.

It is not a de Polignac number, because 260720742035 - 2²⁰ = 260719693459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260720742035.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69154811 + ... + 69158580.

It is an arithmetic number, because the mean of its divisors is an integer number (21784359240).

Almost surely, 2^260720742035 is an apocalyptic number.

260720742035 is a deficient number, since it is larger than the sum of its proper divisors (87829005805).

260720742035 is a wasteful number, since it uses less digits than its factorization.

260720742035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138313438.

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 260720742035 its reverse (530247027062), we get a palindrome (790967769097).

The spelling of 260720742035 in words is "two hundred sixty billion, seven hundred twenty million, seven hundred forty-two thousand, thirty-five".