26626640261100 has 144 divisors (see below), whose sum is σ = 84272363890176. Its totient is φ = 6437354400000.

The previous prime is 26626640261063. The next prime is 26626640261101. The reversal of 26626640261100 is 116204662662.

It is not an unprimeable number, because it can be changed into a prime (26626640261101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9781651 + ... + 12203850.

Almost surely, 2^{26626640261100} is an apocalyptic number.

26626640261100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26626640261100 is an abundant number, since it is smaller than the sum of its proper divisors (57645723629076).

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

26626640261100 is a wasteful number, since it uses less digits than its factorization.

26626640261100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21985896 (or 21985889 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 26626640261100 in words is "twenty-six trillion, six hundred twenty-six billion, six hundred forty million, two hundred sixty-one thousand, one hundred".