26454339100 has 72 divisors (see below), whose sum is σ = 66047335200. Its totient is φ = 9009150720.

The previous prime is 26454339089. The next prime is 26454339101. The reversal of 26454339100 is 193345462.

It is a self number, because there is not a number n which added to its sum of digits gives 26454339100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26454339101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22519 + ... + 231118.

It is an arithmetic number, because the mean of its divisors is an integer number (917324100).

Almost surely, 2^26454339100 is an apocalyptic number.

26454339100 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 26454339100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33023667600).

26454339100 is an abundant number, since it is smaller than the sum of its proper divisors (39592996100).

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

26454339100 is a wasteful number, since it uses less digits than its factorization.

26454339100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253807 (or 253800 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 26454339100 in words is "twenty-six billion, four hundred fifty-four million, three hundred thirty-nine thousand, one hundred".