26625441280 has 80 divisors (see below), whose sum is σ = 64107236160. Its totient is φ = 10605371392.

The previous prime is 26625441257. The next prime is 26625441289. The reversal of 26625441280 is 8214452662.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26625441289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590082 + ... + 633598.

It is an arithmetic number, because the mean of its divisors is an integer number (801340452).

Almost surely, 2^26625441280 is an apocalyptic number.

26625441280 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 26625441280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32053618080).

26625441280 is an abundant number, since it is smaller than the sum of its proper divisors (37481794880).

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

26625441280 is an equidigital number, since it uses as much as digits as its factorization.

26625441280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43779 (or 43763 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 26625441280 in words is "twenty-six billion, six hundred twenty-five million, four hundred forty-one thousand, two hundred eighty".