26339540 has 24 divisors (see below), whose sum is σ = 57221640. Its totient is φ = 10172288.

The previous prime is 26339513. The next prime is 26339543. The reversal of 26339540 is 4593362.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 26337424 = 46^2 + 5132^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26339497 and 26339506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26339543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22127 + ... + 23286.

It is an arithmetic number, because the mean of its divisors is an integer number (2384235).

Almost surely, 2^26339540 is an apocalyptic number.

26339540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26339540 is an abundant number, since it is smaller than the sum of its proper divisors (30882100).

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

26339540 is a wasteful number, since it uses less digits than its factorization.

26339540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45451 (or 45449 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 26339540 is about 5132.2061533029. The cubic root of 26339540 is about 297.5336308284.

The spelling of 26339540 in words is "twenty-six million, three hundred thirty-nine thousand, five hundred forty".