26457260578 has 16 divisors (see below), whose sum is σ = 45407041344. Its totient is φ = 11325891600.

The previous prime is 26457260573. The next prime is 26457260579. The reversal of 26457260578 is 87506275462.

It is not an unprimeable number, because it can be changed into a prime (26457260573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065148 + ... + 1089703.

It is an arithmetic number, because the mean of its divisors is an integer number (2837940084).

Almost surely, 2^26457260578 is an apocalyptic number.

26457260578 is a deficient number, since it is larger than the sum of its proper divisors (18949780766).

26457260578 is a wasteful number, since it uses less digits than its factorization.

26457260578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155737.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 26457260578 in words is "twenty-six billion, four hundred fifty-seven million, two hundred sixty thousand, five hundred seventy-eight".