26406531266100 has 72 divisors (see below), whose sum is σ = 76424489040480. Its totient is φ = 7039751633280.

The previous prime is 26406531266069. The next prime is 26406531266117. The reversal of 26406531266100 is 166213560462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11374267 + ... + 13497666.

Almost surely, 2^{26406531266100} is an apocalyptic number.

26406531266100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26406531266100 is an abundant number, since it is smaller than the sum of its proper divisors (50017957774380).

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

26406531266100 is a wasteful number, since it uses less digits than its factorization.

26406531266100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24875489 (or 24875482 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 26406531266100 in words is "twenty-six trillion, four hundred six billion, five hundred thirty-one million, two hundred sixty-six thousand, one hundred".