26539332464128 has 80 divisors (see below), whose sum is σ = 59258365190640. Its totient is φ = 11769105203200.

The previous prime is 26539332464111. The next prime is 26539332464137. The reversal of 26539332464128 is 82146423393562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57235423 + ... + 57697246.

It is an arithmetic number, because the mean of its divisors is an integer number (740729564883).

Almost surely, 2^{26539332464128} is an apocalyptic number.

It is an amenable number.

26539332464128 is an abundant number, since it is smaller than the sum of its proper divisors (32719032726512).

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

26539332464128 is a wasteful number, since it uses less digits than its factorization.

26539332464128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114932739 (or 114932723 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 58.

The spelling of 26539332464128 in words is "twenty-six trillion, five hundred thirty-nine billion, three hundred thirty-two million, four hundred sixty-four thousand, one hundred twenty-eight".