26225344465 has 8 divisors (see below), whose sum is σ = 31472895528. Its totient is φ = 20978620800.

The previous prime is 26225344451. The next prime is 26225344517. The reversal of 26225344465 is 56444352262.

It can be written as a sum of positive squares in 4 ways, for example, as 3146873409 + 23078471056 = 56097^2 + 151916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26225344465 - 2⁹ = 26225343953 is a prime.

It is a super-2 number, since 2×26225344465² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134836 + ... + 265765.

It is an arithmetic number, because the mean of its divisors is an integer number (3934111941).

Almost surely, 2^26225344465 is an apocalyptic number.

It is an amenable number.

26225344465 is a deficient number, since it is larger than the sum of its proper divisors (5247551063).

26225344465 is a wasteful number, since it uses less digits than its factorization.

26225344465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413699.

The product of its digits is 1382400, while the sum is 43.

The spelling of 26225344465 in words is "twenty-six billion, two hundred twenty-five million, three hundred forty-four thousand, four hundred sixty-five".