2265794944 has 64 divisors (see below), whose sum is σ = 5256174240. Its totient is φ = 952713216.

The previous prime is 2265794939. The next prime is 2265794953. The reversal of 2265794944 is 4494975622.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2265794891 and 2265794900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23632 + ... + 71344.

Almost surely, 2^2265794944 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 2265794944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2628087120).

2265794944 is an abundant number, since it is smaller than the sum of its proper divisors (2990379296).

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

2265794944 is an equidigital number, since it uses as much as digits as its factorization.

2265794944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47787 (or 47775 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The square root of 2265794944 is about 47600.3670574083. The cubic root of 2265794944 is about 1313.4298065017.

The spelling of 2265794944 in words is "two billion, two hundred sixty-five million, seven hundred ninety-four thousand, nine hundred forty-four".