4420928772 has 72 divisors (see below), whose sum is σ = 12154036440. Its totient is φ = 1346803200.

The previous prime is 4420928767. The next prime is 4420928783. The reversal of 4420928772 is 2778290244.

It can be written as a sum of positive squares in 4 ways, for example, as 903964356 + 3516964416 = 30066^2 + 59304^2 .

It is a super-2 number, since 2×4420928772² = 39089222414194855968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504 + ... + 94032.

Almost surely, 2^4420928772 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 4420928772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6077018220).

4420928772 is an abundant number, since it is smaller than the sum of its proper divisors (7733107668).

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

4420928772 is a wasteful number, since it uses less digits than its factorization.

4420928772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93653 (or 93648 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 4420928772 is about 66490.0652127820. The cubic root of 4420928772 is about 1641.2365218492.

The spelling of 4420928772 in words is "four billion, four hundred twenty million, nine hundred twenty-eight thousand, seven hundred seventy-two".