4474247646 has 64 divisors (see below), whose sum is σ = 10364910336. Its totient is φ = 1272537600.

The previous prime is 4474247627. The next prime is 4474247647. The reversal of 4474247646 is 6467424744.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4474247595 and 4474247604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4474247647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413161 + ... + 423851.

It is an arithmetic number, because the mean of its divisors is an integer number (161951724).

Almost surely, 2^4474247646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4474247646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5182455168).

4474247646 is an abundant number, since it is smaller than the sum of its proper divisors (5890662690).

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

4474247646 is a wasteful number, since it uses less digits than its factorization.

4474247646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097.

The product of its digits is 3612672, while the sum is 48.

The square root of 4474247646 is about 66889.8172071056. The cubic root of 4474247646 is about 1647.8082495092.

The spelling of 4474247646 in words is "four billion, four hundred seventy-four million, two hundred forty-seven thousand, six hundred forty-six".