26251272026 has 16 divisors (see below), whose sum is σ = 45764930880. Its totient is φ = 11059857600.

The previous prime is 26251272023. The next prime is 26251272031. The reversal of 26251272026 is 62027215262.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26251272023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15889775 + ... + 15891426.

It is an arithmetic number, because the mean of its divisors is an integer number (2860308180).

Almost surely, 2^26251272026 is an apocalyptic number.

26251272026 is a deficient number, since it is larger than the sum of its proper divisors (19513658854).

26251272026 is a wasteful number, since it uses less digits than its factorization.

26251272026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781269.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 26251272026 its reverse (62027215262), we get a palindrome (88278487288).

The spelling of 26251272026 in words is "twenty-six billion, two hundred fifty-one million, two hundred seventy-two thousand, twenty-six".