26347240 has 16 divisors (see below), whose sum is σ = 59281380. Its totient is φ = 10538880.

The previous prime is 26347199. The next prime is 26347247. The reversal of 26347240 is 4274362.

It can be written as a sum of positive squares in 2 ways, for example, as 25583364 + 763876 = 5058^2 + 874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26347199 and 26347208.

It is not an unprimeable number, because it can be changed into a prime (26347247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329301 + ... + 329380.

Almost surely, 2^26347240 is an apocalyptic number.

26347240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26347240 is an abundant number, since it is smaller than the sum of its proper divisors (32934140).

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

26347240 is a wasteful number, since it uses less digits than its factorization.

26347240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658692 (or 658688 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 26347240 is about 5132.9562632074. The cubic root of 26347240 is about 297.5626212834.

The spelling of 26347240 in words is "twenty-six million, three hundred forty-seven thousand, two hundred forty".