26542140 has 48 divisors (see below), whose sum is σ = 74632992. Its totient is φ = 7047936.

The previous prime is 26542133. The next prime is 26542141. The reversal of 26542140 is 4124562.

It is a self number, because there is not a number n which added to its sum of digits gives 26542140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26542141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15822 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (1554854).

Almost surely, 2^26542140 is an apocalyptic number.

26542140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26542140 is an abundant number, since it is smaller than the sum of its proper divisors (48090852).

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

26542140 is a wasteful number, since it uses less digits than its factorization.

26542140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 26542140 is about 5151.9064432499. The cubic root of 26542140 is about 298.2945453423.

The spelling of 26542140 in words is "twenty-six million, five hundred forty-two thousand, one hundred forty".