26456430 has 128 divisors (see below), whose sum is σ = 85349376. Its totient is φ = 5068800.

The previous prime is 26456413. The next prime is 26456449. The reversal of 26456430 is 3465462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29590 + ... + 30470.

It is an arithmetic number, because the mean of its divisors is an integer number (666792).

Almost surely, 2^26456430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26456430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42674688).

26456430 is an abundant number, since it is smaller than the sum of its proper divisors (58892946).

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

26456430 is a wasteful number, since it uses less digits than its factorization.

26456430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 26456430 is about 5143.5814370923. The cubic root of 26456430 is about 297.9731144010.

The spelling of 26456430 in words is "twenty-six million, four hundred fifty-six thousand, four hundred thirty".