26913380 has 48 divisors (see below), whose sum is σ = 64456560. Its totient is φ = 9351168.

The previous prime is 26913379. The next prime is 26913401. The reversal of 26913380 is 8331962.

It can be written as a sum of positive squares in 8 ways, for example, as 1833316 + 25080064 = 1354^2 + 5008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376 + ... + 7464.

It is an arithmetic number, because the mean of its divisors is an integer number (1342845).

Almost surely, 2^26913380 is an apocalyptic number.

26913380 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 26913380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32228280).

26913380 is an abundant number, since it is smaller than the sum of its proper divisors (37543180).

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

26913380 is a wasteful number, since it uses less digits than its factorization.

26913380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128 (or 6126 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26913380 is about 5187.8107135862. The cubic root of 26913380 is about 299.6788414986.

The spelling of 26913380 in words is "twenty-six million, nine hundred thirteen thousand, three hundred eighty".