260604026 has 4 divisors (see below), whose sum is σ = 390906042. Its totient is φ = 130302012.

The previous prime is 260604023. The next prime is 260604031. The reversal of 260604026 is 620406062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620406062 = 2 ⋅310203031.

It can be written as a sum of positive squares in only one way, i.e., 202066225 + 58537801 = 14215^2 + 7651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260603986 and 260604004.

It is not an unprimeable number, because it can be changed into a prime (260604023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65151005 + ... + 65151008.

Almost surely, 2^260604026 is an apocalyptic number.

260604026 is a deficient number, since it is larger than the sum of its proper divisors (130302016).

260604026 is a wasteful number, since it uses less digits than its factorization.

260604026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130302015.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 260604026 is about 16143.2346820580. The cubic root of 260604026 is about 638.7443038543.

The spelling of 260604026 in words is "two hundred sixty million, six hundred four thousand, twenty-six".