25080726048409 has 8 divisors (see below), whose sum is σ = 26577883819368. Its totient is φ = 23585992826880.

The previous prime is 25080726048401. The next prime is 25080726048421. The reversal of 25080726048409 is 90484062708052.

It can be written as a sum of positive squares in 4 ways, for example, as 9143384582809 + 15937341465600 = 3023803^2 + 3992160^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25080726048409 - 2³ = 25080726048401 is a prime.

It is a super-2 number, since 2×25080726048409² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25080726048409.

It is not an unprimeable number, because it can be changed into a prime (25080726048401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606116052 + ... + 606157429.

It is an arithmetic number, because the mean of its divisors is an integer number (3322235477421).

Almost surely, 2^{25080726048409} is an apocalyptic number.

It is an amenable number.

25080726048409 is a deficient number, since it is larger than the sum of its proper divisors (1497157770959).

25080726048409 is a wasteful number, since it uses less digits than its factorization.

25080726048409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212274715.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 25080726048409 in words is "twenty-five trillion, eighty billion, seven hundred twenty-six million, forty-eight thousand, four hundred nine".