260735880458 has 4 divisors (see below), whose sum is σ = 391103820690. Its totient is φ = 130367940228.

The previous prime is 260735880413. The next prime is 260735880469. The reversal of 260735880458 is 854088537062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854088537062 = 2 ⋅427044268531.

It can be written as a sum of positive squares in only one way, i.e., 233498669089 + 27237211369 = 483217^2 + 165037^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65183970113 + ... + 65183970116.

Almost surely, 2^260735880458 is an apocalyptic number.

260735880458 is a deficient number, since it is larger than the sum of its proper divisors (130367940232).

260735880458 is a wasteful number, since it uses less digits than its factorization.

260735880458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130367940231.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 260735880458 in words is "two hundred sixty billion, seven hundred thirty-five million, eight hundred eighty thousand, four hundred fifty-eight".