26006540 has 36 divisors (see below), whose sum is σ = 62560848. Its totient is φ = 8895840.

The previous prime is 26006531. The next prime is 26006543. The reversal of 26006540 is 4560062.

It is not an unprimeable number, because it can be changed into a prime (26006543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60125 + ... + 60555.

Almost surely, 2^26006540 is an apocalyptic number.

26006540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26006540 is an abundant number, since it is smaller than the sum of its proper divisors (36554308).

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

26006540 is an equidigital number, since it uses as much as digits as its factorization.

26006540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 26006540 is about 5099.6607730319. The cubic root of 26006540 is about 296.2744441485.

The spelling of 26006540 in words is "twenty-six million, six thousand, five hundred forty".