26538040 has 32 divisors (see below), whose sum is σ = 59863680. Its totient is φ = 10588032.

The previous prime is 26538013. The next prime is 26538049. The reversal of 26538040 is 4083562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26538049) 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, 23734 + ... + 24826.

It is an arithmetic number, because the mean of its divisors is an integer number (1870740).

Almost surely, 2^26538040 is an apocalyptic number.

26538040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26538040 is an abundant number, since it is smaller than the sum of its proper divisors (33325640).

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

26538040 is a wasteful number, since it uses less digits than its factorization.

26538040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 26538040 is about 5151.5085169298. The cubic root of 26538040 is about 298.2791852317.

The spelling of 26538040 in words is "twenty-six million, five hundred thirty-eight thousand, forty".