26239340 has 12 divisors (see below), whose sum is σ = 55102656. Its totient is φ = 10495728.

The previous prime is 26239337. The next prime is 26239349. The reversal of 26239340 is 4393262.

It is not an unprimeable number, because it can be changed into a prime (26239349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655964 + ... + 656003.

It is an arithmetic number, because the mean of its divisors is an integer number (4591888).

Almost surely, 2^26239340 is an apocalyptic number.

26239340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26239340 is an abundant number, since it is smaller than the sum of its proper divisors (28863316).

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

26239340 is a wasteful number, since it uses less digits than its factorization.

26239340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311976 (or 1311974 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 26239340 is about 5122.4349678644. The cubic root of 26239340 is about 297.1558622179.

The spelling of 26239340 in words is "twenty-six million, two hundred thirty-nine thousand, three hundred forty".