260260426 has 4 divisors (see below), whose sum is σ = 390390642. Its totient is φ = 130130212.

The previous prime is 260260421. The next prime is 260260447. The reversal of 260260426 is 624062062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138180025 + 122080401 = 11755^2 + 11049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260260394 and 260260403.

It is not an unprimeable number, because it can be changed into a prime (260260421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65065105 + ... + 65065108.

Almost surely, 2^260260426 is an apocalyptic number.

260260426 is a deficient number, since it is larger than the sum of its proper divisors (130130216).

260260426 is a wasteful number, since it uses less digits than its factorization.

260260426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130130215.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 260260426 is about 16132.5889428820. The cubic root of 260260426 is about 638.4634575025.

The spelling of 260260426 in words is "two hundred sixty million, two hundred sixty thousand, four hundred twenty-six".