4447777444 has 48 divisors (see below), whose sum is σ = 9165985920. Its totient is φ = 1867120640.

The previous prime is 4447777441. The next prime is 4447777459.

4447777444 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4447777391 and 4447777400.

It is not an unprimeable number, because it can be changed into a prime (4447777441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46429 + ... + 105124.

It is an arithmetic number, because the mean of its divisors is an integer number (190958040).

Almost surely, 2^4447777444 is an apocalyptic number.

4447777444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4447777444 is an abundant number, since it is smaller than the sum of its proper divisors (4718208476).

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

4447777444 is a wasteful number, since it uses less digits than its factorization.

4447777444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151620 (or 151618 counting only the distinct ones).

The product of its digits is 9834496, while the sum is 52.

The square root of 4447777444 is about 66691.6594785285. The cubic root of 4447777444 is about 1644.5522743789.

The spelling of 4447777444 in words is "four billion, four hundred forty-seven million, seven hundred seventy-seven thousand, four hundred forty-four".