26040520 has 32 divisors (see below), whose sum is σ = 63918720. Its totient is φ = 9469120.

The previous prime is 26040517. The next prime is 26040529. The reversal of 26040520 is 2504062.

It is not an unprimeable number, because it can be changed into a prime (26040529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29152 + ... + 30031.

It is an arithmetic number, because the mean of its divisors is an integer number (1997460).

Almost surely, 2^26040520 is an apocalyptic number.

26040520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26040520 is an abundant number, since it is smaller than the sum of its proper divisors (37878200).

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

26040520 is a wasteful number, since it uses less digits than its factorization.

26040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59205 (or 59201 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 26040520 is about 5102.9912796320. The cubic root of 26040520 is about 296.4034248346.

Adding to 26040520 its reverse (2504062), we get a palindrome (28544582).

The spelling of 26040520 in words is "twenty-six million, forty thousand, five hundred twenty".