26379920 has 120 divisors (see below), whose sum is σ = 74917824. Its totient is φ = 8460288.

The previous prime is 26379911. The next prime is 26379929. The reversal of 26379920 is 2997362.

It is an interprime number because it is at equal distance from previous prime (26379911) and next prime (26379929).

It is not an unprimeable number, because it can be changed into a prime (26379929) 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, 161759 + ... + 161921.

Almost surely, 2^26379920 is an apocalyptic number.

26379920 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 26379920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37458912).

26379920 is an abundant number, since it is smaller than the sum of its proper divisors (48537904).

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

26379920 is a wasteful number, since it uses less digits than its factorization.

26379920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 26379920 is about 5136.1386274126. The cubic root of 26379920 is about 297.6855984741.

The spelling of 26379920 in words is "twenty-six million, three hundred seventy-nine thousand, nine hundred twenty".