26164020 has 96 divisors (see below), whose sum is σ = 78599808. Its totient is φ = 6479872.

The previous prime is 26164013. The next prime is 26164043. The reversal of 26164020 is 2046162.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115147 + ... + 115373.

It is an arithmetic number, because the mean of its divisors is an integer number (818748).

Almost surely, 2^26164020 is an apocalyptic number.

26164020 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 26164020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39299904).

26164020 is an abundant number, since it is smaller than the sum of its proper divisors (52435788).

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

26164020 is a wasteful number, since it uses less digits than its factorization.

26164020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 26164020 is about 5115.0777120196. The cubic root of 26164020 is about 296.8712611902.

The spelling of 26164020 in words is "twenty-six million, one hundred sixty-four thousand, twenty".