26263864 has 32 divisors (see below), whose sum is σ = 54080640. Its totient is φ = 11858400.

The previous prime is 26263829. The next prime is 26263873. The reversal of 26263864 is 46836262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13429 + ... + 15259.

It is an arithmetic number, because the mean of its divisors is an integer number (1690020).

Almost surely, 2^26263864 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 26263864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27040320).

26263864 is an abundant number, since it is smaller than the sum of its proper divisors (27816776).

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

26263864 is a wasteful number, since it uses less digits than its factorization.

26263864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2007 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 26263864 is about 5124.8281922422. The cubic root of 26263864 is about 297.2484100385.

The spelling of 26263864 in words is "twenty-six million, two hundred sixty-three thousand, eight hundred sixty-four".