2044712772 has 36 divisors (see below), whose sum is σ = 5239388700. Its totient is φ = 672233472.

The previous prime is 2044712753. The next prime is 2044712779. The reversal of 2044712772 is 2772174402.

It is a happy number.

2044712772 is a `hidden beast` number, since 20 + 447 + 127 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 391802436 + 1652910336 = 19794^2 + 40656^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2044712779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386397 + ... + 391652.

It is an arithmetic number, because the mean of its divisors is an integer number (145538575).

Almost surely, 2^2044712772 is an apocalyptic number.

It is an amenable number.

2044712772 is an abundant number, since it is smaller than the sum of its proper divisors (3194675928).

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

2044712772 is a wasteful number, since it uses less digits than its factorization.

2044712772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778132 (or 778127 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 2044712772 is about 45218.5003289583. The cubic root of 2044712772 is about 1269.2410312169.

The spelling of 2044712772 in words is "two billion, forty-four million, seven hundred twelve thousand, seven hundred seventy-two".