26401312 has 48 divisors (see below), whose sum is σ = 60806592. Its totient is φ = 11047680.

The previous prime is 26401303. The next prime is 26401337. The reversal of 26401312 is 21310462.

It is a self number, because there is not a number n which added to its sum of digits gives 26401312.

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, 8262 + ... + 11002.

It is an arithmetic number, because the mean of its divisors is an integer number (1266804).

Almost surely, 2^26401312 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 26401312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30403296).

26401312 is an abundant number, since it is smaller than the sum of its proper divisors (34405280).

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

26401312 is a wasteful number, since it uses less digits than its factorization.

26401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 26401312 is about 5138.2207037067. The cubic root of 26401312 is about 297.7660431174.

Adding to 26401312 its reverse (21310462), we get a palindrome (47711774).

The spelling of 26401312 in words is "twenty-six million, four hundred one thousand, three hundred twelve".