26471380 has 96 divisors (see below), whose sum is σ = 65155104. Its totient is φ = 8945664.

The previous prime is 26471369. The next prime is 26471383. The reversal of 26471380 is 8317462.

It can be written as a sum of positive squares in 16 ways, for example, as 11587216 + 14884164 = 3404^2 + 3858^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26471383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234204 + ... + 234316.

It is an arithmetic number, because the mean of its divisors is an integer number (678699).

Almost surely, 2^26471380 is an apocalyptic number.

26471380 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 26471380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32577552).

26471380 is an abundant number, since it is smaller than the sum of its proper divisors (38683724).

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

26471380 is a wasteful number, since it uses less digits than its factorization.

26471380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 26471380 is about 5145.0344993984. The cubic root of 26471380 is about 298.0292300502.

The spelling of 26471380 in words is "twenty-six million, four hundred seventy-one thousand, three hundred eighty".