260427256136426 has 4 divisors (see below), whose sum is σ = 390640884204642. Its totient is φ = 130213628068212.

The previous prime is 260427256136381. The next prime is 260427256136431. The reversal of 260427256136426 is 624631652724062.

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., 212965835035801 + 47461421100625 = 14593349^2 + 6889225^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65106814034105 + ... + 65106814034108.

Almost surely, 2^{260427256136426} is an apocalyptic number.

260427256136426 is a deficient number, since it is larger than the sum of its proper divisors (130213628068216).

260427256136426 is a wasteful number, since it uses less digits than its factorization.

260427256136426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130213628068215.

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 260427256136426 in words is "two hundred sixty trillion, four hundred twenty-seven billion, two hundred fifty-six million, one hundred thirty-six thousand, four hundred twenty-six".