26123540 has 24 divisors (see below), whose sum is σ = 56028672. Its totient is φ = 10226720.

The previous prime is 26123533. The next prime is 26123563. The reversal of 26123540 is 4532162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12956 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (2334528).

Almost surely, 2^26123540 is an apocalyptic number.

26123540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26123540 is an abundant number, since it is smaller than the sum of its proper divisors (29905132).

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

26123540 is a wasteful number, since it uses less digits than its factorization.

26123540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27847 (or 27845 counting only the distinct ones).

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

The square root of 26123540 is about 5111.1192512012. The cubic root of 26123540 is about 296.7180794342.

The spelling of 26123540 in words is "twenty-six million, one hundred twenty-three thousand, five hundred forty".