26415136 has 48 divisors (see below), whose sum is σ = 57371328. Its totient is φ = 11872000.

The previous prime is 26415133. The next prime is 26415199. The reversal of 26415136 is 63151462.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26415133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35181 + ... + 35923.

It is an arithmetic number, because the mean of its divisors is an integer number (1195236).

Almost surely, 2^26415136 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 26415136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28685664).

26415136 is an abundant number, since it is smaller than the sum of its proper divisors (30956192).

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

26415136 is a wasteful number, since it uses less digits than its factorization.

26415136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 857 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 26415136 is about 5139.5657404104. The cubic root of 26415136 is about 297.8180051757.

Adding to 26415136 its reverse (63151462), we get a palindrome (89566598).

It can be divided in two parts, 2641 and 5136, that added together give a palindrome (7777).

The spelling of 26415136 in words is "twenty-six million, four hundred fifteen thousand, one hundred thirty-six".