26453442700 has 72 divisors (see below), whose sum is σ = 58520254464. Its totient is φ = 10377192000.

The previous prime is 26453442667. The next prime is 26453442787. The reversal of 26453442700 is 724435462.

It is a self number, because there is not a number n which added to its sum of digits gives 26453442700.

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, 1346347 + ... + 1365853.

It is an arithmetic number, because the mean of its divisors is an integer number (812781312).

Almost surely, 2^26453442700 is an apocalyptic number.

26453442700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26453442700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29260127232).

26453442700 is an abundant number, since it is smaller than the sum of its proper divisors (32066811764).

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

26453442700 is a wasteful number, since it uses less digits than its factorization.

26453442700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783 (or 19776 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 26453442700 in words is "twenty-six billion, four hundred fifty-three million, four hundred forty-two thousand, seven hundred".