26047540 has 12 divisors (see below), whose sum is σ = 54699876. Its totient is φ = 10419008.

The previous prime is 26047531. The next prime is 26047561. The reversal of 26047540 is 4574062.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 7333264 = 4326^2 + 2708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26047499 and 26047508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651169 + ... + 651208.

It is an arithmetic number, because the mean of its divisors is an integer number (4558323).

Almost surely, 2^26047540 is an apocalyptic number.

26047540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26047540 is an abundant number, since it is smaller than the sum of its proper divisors (28652336).

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

26047540 is a wasteful number, since it uses less digits than its factorization.

26047540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302386 (or 1302384 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 26047540 is about 5103.6790651451. The cubic root of 26047540 is about 296.4300572405.

The spelling of 26047540 in words is "twenty-six million, forty-seven thousand, five hundred forty".