26445272 has 32 divisors (see below), whose sum is σ = 57453600. Its totient is φ = 11176704.

The previous prime is 26445271. The next prime is 26445311. The reversal of 26445272 is 27254462.

It is a super-2 number, since 2×26445272² = 1398704822307968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26445271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854 + ... + 7322.

It is an arithmetic number, because the mean of its divisors is an integer number (1795425).

Almost surely, 2^26445272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26445272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28726800).

26445272 is an abundant number, since it is smaller than the sum of its proper divisors (31008328).

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

26445272 is a wasteful number, since it uses less digits than its factorization.

26445272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555 (or 6551 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 26445272 is about 5142.4966699066. The cubic root of 26445272 is about 297.9312184545.

The spelling of 26445272 in words is "twenty-six million, four hundred forty-five thousand, two hundred seventy-two".