26131456 has 66 divisors (see below), whose sum is σ = 56939352. Its totient is φ = 11980800.

The previous prime is 26131453. The next prime is 26131489. The reversal of 26131456 is 65413162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26131451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172981 + ... + 173131.

Almost surely, 2^26131456 is an apocalyptic number.

26131456 is a gapful number since it is divisible by the number (26) 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 26131456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28469676).

26131456 is an abundant number, since it is smaller than the sum of its proper divisors (30807896).

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

26131456 is a wasteful number, since it uses less digits than its factorization.

26131456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 166 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 26131456 is about 5111.8935826169. The cubic root of 26131456 is about 296.7480470816.

The spelling of 26131456 in words is "twenty-six million, one hundred thirty-one thousand, four hundred fifty-six".