26421200325 has 96 divisors (see below), whose sum is σ = 52332761600. Its totient is φ = 12991829760.

The previous prime is 26421200293. The next prime is 26421200347. The reversal of 26421200325 is 52300212462.

It is a happy number.

26421200325 is a `hidden beast` number, since 2 + 6 + 421 + 200 + 32 + 5 = 666.

It is not a de Polignac number, because 26421200325 - 2⁵ = 26421200293 is a prime.

It is a super-2 number, since 2×26421200325² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11643291 + ... + 11645559.

Almost surely, 2^26421200325 is an apocalyptic number.

26421200325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26421200325 is a deficient number, since it is larger than the sum of its proper divisors (25911561275).

26421200325 is a wasteful number, since it uses less digits than its factorization.

26421200325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 26421200325 its reverse (52300212462), we get a palindrome (78721412787).

The spelling of 26421200325 in words is "twenty-six billion, four hundred twenty-one million, two hundred thousand, three hundred twenty-five".