26460529257 has 16 divisors (see below), whose sum is σ = 38060876160. Its totient is φ = 16289425152.

The previous prime is 26460529237. The next prime is 26460529259. The reversal of 26460529257 is 75292506462.

It is a happy number.

It is not a de Polignac number, because 26460529257 - 2¹⁴ = 26460512873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26460529259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4891957 + ... + 4897362.

It is an arithmetic number, because the mean of its divisors is an integer number (2378804760).

Almost surely, 2^26460529257 is an apocalyptic number.

It is an amenable number.

26460529257 is a deficient number, since it is larger than the sum of its proper divisors (11600346903).

26460529257 is a wasteful number, since it uses less digits than its factorization.

26460529257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789392.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 26460529257 in words is "twenty-six billion, four hundred sixty million, five hundred twenty-nine thousand, two hundred fifty-seven".