26155272 has 64 divisors (see below), whose sum is σ = 76829760. Its totient is φ = 7315200.

The previous prime is 26155271. The next prime is 26155273. The reversal of 26155272 is 27255162.

It is an interprime number because it is at equal distance from previous prime (26155271) and next prime (26155273).

It is not an unprimeable number, because it can be changed into a prime (26155271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379 + ... + 7242.

It is an arithmetic number, because the mean of its divisors is an integer number (1200465).

Almost surely, 2^26155272 is an apocalyptic number.

26155272 is a gapful number since it is divisible by the number (22) 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 26155272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38414880).

26155272 is an abundant number, since it is smaller than the sum of its proper divisors (50674488).

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

26155272 is a wasteful number, since it uses less digits than its factorization.

26155272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654 (or 7650 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 26155272 is about 5114.2225215569. Note that the first 3 decimals coincide. The cubic root of 26155272 is about 296.8381709734.

It can be divided in two parts, 2615 and 5272, that added together give a palindrome (7887).

The spelling of 26155272 in words is "twenty-six million, one hundred fifty-five thousand, two hundred seventy-two".