2056411405 has 8 divisors (see below), whose sum is σ = 2469886200. Its totient is φ = 1643667456.

The previous prime is 2056411367. The next prime is 2056411421. The reversal of 2056411405 is 5041146502.

It can be written as a sum of positive squares in 4 ways, for example, as 72777961 + 1983633444 = 8531^2 + 44538^2 .

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 2056411405 - 2⁹ = 2056410893 is a prime.

It is a super-2 number, since 2×2056411405² = 8457655733228148050, which contains 22 as substring.

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, 176500 + ... + 187789.

It is an arithmetic number, because the mean of its divisors is an integer number (308735775).

Almost surely, 2^2056411405 is an apocalyptic number.

It is an amenable number.

2056411405 is a deficient number, since it is larger than the sum of its proper divisors (413474795).

2056411405 is a wasteful number, since it uses less digits than its factorization.

2056411405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365423.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2056411405 is about 45347.6725422595. The cubic root of 2056411405 is about 1271.6570440348.

Adding to 2056411405 its reverse (5041146502), we get a palindrome (7097557907).

It can be divided in two parts, 205641 and 1405, that added together give a triangular number (207046 = T₆₄₃).

The spelling of 2056411405 in words is "two billion, fifty-six million, four hundred eleven thousand, four hundred five".