2944609856 has 42 divisors (see below), whose sum is σ = 5917093830. Its totient is φ = 1453737472.

The previous prime is 2944609817. The next prime is 2944609883. The reversal of 2944609856 is 6589064492.

It can be written as a sum of positive squares in only one way, i.e., 2117472256 + 827137600 = 46016^2 + 28760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2944609798 and 2944609807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4095065 + ... + 4095783.

Almost surely, 2^2944609856 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 2944609856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2958546915).

2944609856 is an abundant number, since it is smaller than the sum of its proper divisors (2972483974).

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

2944609856 is an frugal number, since it uses more digits than its factorization.

2944609856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The square root of 2944609856 is about 54264.2594715896. The cubic root of 2944609856 is about 1433.3181063943.

The spelling of 2944609856 in words is "two billion, nine hundred forty-four million, six hundred nine thousand, eight hundred fifty-six".