4812161244 has 48 divisors (see below), whose sum is σ = 12580208256. Its totient is φ = 1418817600.

The previous prime is 4812161239. The next prime is 4812161273. The reversal of 4812161244 is 4421612184.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487762 + ... + 497529.

It is an arithmetic number, because the mean of its divisors is an integer number (262087672).

Almost surely, 2^4812161244 is an apocalyptic number.

4812161244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4812161244 is an abundant number, since it is smaller than the sum of its proper divisors (7768047012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4812161244 is a wasteful number, since it uses less digits than its factorization.

4812161244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985346 (or 985344 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 4812161244 is about 69369.7430008213. The cubic root of 4812161244 is about 1688.2887389506.

The spelling of 4812161244 in words is "four billion, eight hundred twelve million, one hundred sixty-one thousand, two hundred forty-four".