26956380 has 144 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 6314880.

The previous prime is 26956379. The next prime is 26956381. The reversal of 26956380 is 8365962.

It is an interprime number because it is at equal distance from previous prime (26956379) and next prime (26956381).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26956381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341181 + ... + 341259.

It is an arithmetic number, because the mean of its divisors is an integer number (595840).

Almost surely, 2^26956380 is an apocalyptic number.

26956380 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 26956380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42900480).

26956380 is an abundant number, since it is smaller than the sum of its proper divisors (58844580).

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

26956380 is a wasteful number, since it uses less digits than its factorization.

26956380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 26956380 is about 5191.9533896213. The cubic root of 26956380 is about 299.8383573656.

The spelling of 26956380 in words is "twenty-six million, nine hundred fifty-six thousand, three hundred eighty".