26272840 has 96 divisors (see below), whose sum is σ = 67728960. Its totient is φ = 9094400.

The previous prime is 26272823. The next prime is 26272861. The reversal of 26272840 is 4827262.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370005 + ... + 370075.

It is an arithmetic number, because the mean of its divisors is an integer number (705510).

Almost surely, 2^26272840 is an apocalyptic number.

26272840 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 26272840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33864480).

26272840 is an abundant number, since it is smaller than the sum of its proper divisors (41456120).

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

26272840 is a wasteful number, since it uses less digits than its factorization.

26272840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 26272840 is about 5125.7038541063. The cubic root of 26272840 is about 297.2822689537.

The spelling of 26272840 in words is "twenty-six million, two hundred seventy-two thousand, eight hundred forty".