26301297256 has 16 divisors (see below), whose sum is σ = 53108388900. Its totient is φ = 12139060224.

The previous prime is 26301297247. The next prime is 26301297263. The reversal of 26301297256 is 65279210362.

It can be written as a sum of positive squares in 2 ways, for example, as 26222620356 + 78676900 = 161934^2 + 8870^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126448441 + ... + 126448648.

Almost surely, 2^26301297256 is an apocalyptic number.

26301297256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26301297256 is an abundant number, since it is smaller than the sum of its proper divisors (26807091644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26301297256 is a wasteful number, since it uses less digits than its factorization.

26301297256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252897108 (or 252897104 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 26301297256 in words is "twenty-six billion, three hundred one million, two hundred ninety-seven thousand, two hundred fifty-six".