260654154849 has 99 divisors (see below), whose sum is σ = 432015604657. Its totient is φ = 157145135400.

The previous prime is 260654154821. The next prime is 260654154869. The reversal of 260654154849 is 948451456062.

It is a happy number.

The square root of 260654154849 is 510543.

It is a perfect power (a square), and thus also a powerful number.

260654154849 is a `hidden beast` number, since 2 + 6 + 0 + 6 + 54 + 1 + 548 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (99).

It is not a de Polignac number, because 260654154849 - 2¹⁵ = 260654122081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260654154795 and 260654154804.

It is not an unprimeable number, because it can be changed into a prime (260654154869) by changing a digit.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 1364681344 + ... + 1364681534.

Almost surely, 2^260654154849 is an apocalyptic number.

260654154849 is the 510543-rd square number.

260654154849 is the 255272-nd centered octagonal number.

It is an amenable number.

260654154849 is a deficient number, since it is larger than the sum of its proper divisors (171361449808).

260654154849 is an frugal number, since it uses more digits than its factorization.

260654154849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 260654154849 in words is "two hundred sixty billion, six hundred fifty-four million, one hundred fifty-four thousand, eight hundred forty-nine".