26270340 has 96 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 6681600.

The previous prime is 26270327. The next prime is 26270341. The reversal of 26270340 is 4307262.

It is a self number, because there is not a number n which added to its sum of digits gives 26270340.

It is not an unprimeable number, because it can be changed into a prime (26270341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145050 + ... + 145230.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^26270340 is an apocalyptic number.

26270340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26270340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38525760).

26270340 is an abundant number, since it is smaller than the sum of its proper divisors (50781180).

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

26270340 is a wasteful number, since it uses less digits than its factorization.

26270340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 26270340 is about 5125.4599793580. The cubic root of 26270340 is about 297.2728393266.

The spelling of 26270340 in words is "twenty-six million, two hundred seventy thousand, three hundred forty".