44782315668 has 96 divisors (see below), whose sum is σ = 120541854720. Its totient is φ = 14362220160.

The previous prime is 44782315663. The next prime is 44782315673. The reversal of 44782315668 is 86651328744.

It is a happy number.

44782315668 is a `hidden beast` number, since 4 + 4 + 78 + 2 + 3 + 1 + 566 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (44782315663) and next prime (44782315673).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44782315661) 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, 540546 + ... + 617862.

It is an arithmetic number, because the mean of its divisors is an integer number (1255644320).

Almost surely, 2^44782315668 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 44782315668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60270927360).

44782315668 is an abundant number, since it is smaller than the sum of its proper divisors (75759539052).

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

44782315668 is a wasteful number, since it uses less digits than its factorization.

44782315668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77534 (or 77526 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 44782315668 in words is "forty-four billion, seven hundred eighty-two million, three hundred fifteen thousand, six hundred sixty-eight".