2566441405 has 8 divisors (see below), whose sum is σ = 3359705184. Its totient is φ = 1866502800.

The previous prime is 2566441393. The next prime is 2566441429. The reversal of 2566441405 is 5041446652.

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

It is not a de Polignac number, because 2566441405 - 2⁹ = 2566440893 is a prime.

It is a congruent 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, 23331231 + ... + 23331340.

It is an arithmetic number, because the mean of its divisors is an integer number (419963148).

Almost surely, 2^2566441405 is an apocalyptic number.

It is an amenable number.

2566441405 is a deficient number, since it is larger than the sum of its proper divisors (793263779).

2566441405 is a wasteful number, since it uses less digits than its factorization.

2566441405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46662587.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 2566441405 is about 50660.0572936905. The cubic root of 2566441405 is about 1369.1271554923.

The spelling of 2566441405 in words is "two billion, five hundred sixty-six million, four hundred forty-one thousand, four hundred five".