612044244 has 144 divisors (see below), whose sum is σ = 1808876160. Its totient is φ = 170899200.

The previous prime is 612044243. The next prime is 612044249. The reversal of 612044244 is 442440216.

It is a happy number.

612044244 is a `hidden beast` number, since 612 + 0 + 4 + 4 + 2 + 44 = 666.

612044244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×612044244² = 749196313227063072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612044243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3537742 + ... + 3537914.

It is an arithmetic number, because the mean of its divisors is an integer number (12561640).

Almost surely, 2^612044244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612044244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904438080).

612044244 is an abundant number, since it is smaller than the sum of its proper divisors (1196831916).

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

612044244 is a wasteful number, since it uses less digits than its factorization.

612044244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 612044244 is about 24739.5279663942. The cubic root of 612044244 is about 849.0389340650.

The spelling of 612044244 in words is "six hundred twelve million, forty-four thousand, two hundred forty-four".