26501430 has 32 divisors (see below), whose sum is σ = 63775584. Its totient is φ = 7047936.

The previous prime is 26501413. The next prime is 26501513. The reversal of 26501430 is 3410562.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26501397 and 26501406.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12744 + ... + 14676.

It is an arithmetic number, because the mean of its divisors is an integer number (1992987).

Almost surely, 2^26501430 is an apocalyptic number.

26501430 is an abundant number, since it is smaller than the sum of its proper divisors (37274154).

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

26501430 is a wasteful number, since it uses less digits than its factorization.

26501430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 26501430 is about 5147.9539624981. The cubic root of 26501430 is about 298.1419604993.

Adding to 26501430 its reverse (3410562), we get a palindrome (29911992).

The spelling of 26501430 in words is "twenty-six million, five hundred one thousand, four hundred thirty".