26116540 has 24 divisors (see below), whose sum is σ = 55746432. Its totient is φ = 10274880.

The previous prime is 26116529. The next prime is 26116543. The reversal of 26116540 is 4561162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26116543) 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, 9484 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (2322768).

Almost surely, 2^26116540 is an apocalyptic number.

26116540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26116540 is an abundant number, since it is smaller than the sum of its proper divisors (29629892).

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

26116540 is a wasteful number, since it uses less digits than its factorization.

26116540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21477 (or 21475 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26116540 is about 5110.4344238039. The cubic root of 26116540 is about 296.6915744493.

The spelling of 26116540 in words is "twenty-six million, one hundred sixteen thousand, five hundred forty".