2478033805 has 16 divisors (see below), whose sum is σ = 3254885424. Its totient is φ = 1799930880.

The previous prime is 2478033797. The next prime is 2478033821. The reversal of 2478033805 is 5083308742.

It can be written as a sum of positive squares in 8 ways, for example, as 320338404 + 2157695401 = 17898^2 + 46451^2 .

It is not a de Polignac number, because 2478033805 - 2³ = 2478033797 is a prime.

It is a super-2 number, since 2×2478033805² = 12281303077445556050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308524 + ... + 316453.

It is an arithmetic number, because the mean of its divisors is an integer number (203430339).

Almost surely, 2^2478033805 is an apocalyptic number.

It is an amenable number.

2478033805 is a deficient number, since it is larger than the sum of its proper divisors (776851619).

2478033805 is a wasteful number, since it uses less digits than its factorization.

2478033805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625056.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2478033805 is about 49779.8534047661. The cubic root of 2478033805 is about 1353.2220805208. Note that the first 3 decimals are identical.

It can be divided in two parts, 24780 and 33805, that added together give a palindrome (58585).

The spelling of 2478033805 in words is "two billion, four hundred seventy-eight million, thirty-three thousand, eight hundred five".