4447726812 has 18 divisors (see below), whose sum is σ = 11242865088. Its totient is φ = 1482575592.

The previous prime is 4447726793. The next prime is 4447726819. The reversal of 4447726812 is 2186277444.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447726819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61773948 + ... + 61774019.

It is an arithmetic number, because the mean of its divisors is an integer number (624603616).

Almost surely, 2^4447726812 is an apocalyptic number.

It is an amenable number.

4447726812 is an abundant number, since it is smaller than the sum of its proper divisors (6795138276).

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

4447726812 is a wasteful number, since it uses less digits than its factorization.

4447726812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123547977 (or 123547972 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 4447726812 is about 66691.2798797564. The cubic root of 4447726812 is about 1644.5460340122.

It can be divided in two parts, 444772 and 6812, that added together give a square (451584 = 672²).

The spelling of 4447726812 in words is "four billion, four hundred forty-seven million, seven hundred twenty-six thousand, eight hundred twelve".