26402432 has 64 divisors (see below), whose sum is σ = 61036800. Its totient is φ = 11142144.

The previous prime is 26402417. The next prime is 26402437. The reversal of 26402432 is 23420462.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 26402398 and 26402407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26402437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70598 + ... + 70970.

It is an arithmetic number, because the mean of its divisors is an integer number (953700).

Almost surely, 2^26402432 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 26402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30518400).

26402432 is an abundant number, since it is smaller than the sum of its proper divisors (34634368).

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

26402432 is an equidigital number, since it uses as much as digits as its factorization.

26402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 26402432 is about 5138.3296896949. The cubic root of 26402432 is about 297.7702536815.

Adding to 26402432 its reverse (23420462), we get a palindrome (49822894).

The spelling of 26402432 in words is "twenty-six million, four hundred two thousand, four hundred thirty-two".