4844561805 has 40 divisors (see below), whose sum is σ = 8747815032. Its totient is φ = 2564877312.

The previous prime is 4844561779. The next prime is 4844561807. The reversal of 4844561805 is 5081654484.

It is a happy number.

4844561805 is a `hidden beast` number, since 4 + 8 + 4 + 4 + 561 + 80 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39576681 + 4804985124 = 6291^2 + 69318^2 .

It is not a de Polignac number, because 4844561805 - 2⁵ = 4844561773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4844561807) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11829 + ... + 99141.

Almost surely, 2^4844561805 is an apocalyptic number.

4844561805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4844561805 is a deficient number, since it is larger than the sum of its proper divisors (3903253227).

4844561805 is a wasteful number, since it uses less digits than its factorization.

4844561805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87467 (or 87458 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 4844561805 is about 69602.8864703182. The cubic root of 4844561805 is about 1692.0693818689.

The spelling of 4844561805 in words is "four billion, eight hundred forty-four million, five hundred sixty-one thousand, eight hundred five".