26456021700 has 36 divisors (see below), whose sum is σ = 76546090320. Its totient is φ = 7054939040.

The previous prime is 26456021689. The next prime is 26456021731. The reversal of 26456021700 is 712065462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44093070 + ... + 44093669.

Almost surely, 2^26456021700 is an apocalyptic number.

26456021700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26456021700 is an abundant number, since it is smaller than the sum of its proper divisors (50090068620).

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

26456021700 is a wasteful number, since it uses less digits than its factorization.

26456021700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88186756 (or 88186749 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 26456021700 in words is "twenty-six billion, four hundred fifty-six million, twenty-one thousand, seven hundred".