4246444664 has 72 divisors (see below), whose sum is σ = 10180676520. Its totient is φ = 1654440480.

The previous prime is 4246444651. The next prime is 4246444673. The reversal of 4246444664 is 4664446424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 2669 + ... + 92195.

It is an arithmetic number, because the mean of its divisors is an integer number (141398285).

Almost surely, 2^4246444664 is an apocalyptic number.

4246444664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4246444664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5090338260).

4246444664 is an abundant number, since it is smaller than the sum of its proper divisors (5934231856).

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

4246444664 is a wasteful number, since it uses less digits than its factorization.

4246444664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89569 (or 89547 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 44.

The square root of 4246444664 is about 65164.7501644869. The cubic root of 4246444664 is about 1619.3540919437.

The spelling of 4246444664 in words is "four billion, two hundred forty-six million, four hundred forty-four thousand, six hundred sixty-four".