26438412 has 192 divisors, whose sum is σ = 86704128. Its totient is φ = 6048000.

The previous prime is 26438407. The next prime is 26438413. The reversal of 26438412 is 21483462.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26438412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26438413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 372337 + ... + 372407.

It is an arithmetic number, because the mean of its divisors is an integer number (451584).

Almost surely, 2^26438412 is an apocalyptic number.

26438412 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 26438412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43352064).

26438412 is an abundant number, since it is smaller than the sum of its proper divisors (60265716).

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

26438412 is a wasteful number, since it uses less digits than its factorization.

26438412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 138 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 26438412 is about 5141.8296354508. The cubic root of 26438412 is about 297.9054547451.

The spelling of 26438412 in words is "twenty-six million, four hundred thirty-eight thousand, four hundred twelve".