44663646522 has 256 divisors, whose sum is σ = 108573696000. Its totient is φ = 12102048000.

The previous prime is 44663646487. The next prime is 44663646527. The reversal of 44663646522 is 22564636644.

It is not an unprimeable number, because it can be changed into a prime (44663646527) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 321321129 + ... + 321321267.

It is an arithmetic number, because the mean of its divisors is an integer number (424116000).

Almost surely, 2^44663646522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44663646522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54286848000).

44663646522 is an abundant number, since it is smaller than the sum of its proper divisors (63910049478).

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

44663646522 is a wasteful number, since it uses less digits than its factorization.

44663646522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its digits is 4976640, while the sum is 48.

The spelling of 44663646522 in words is "forty-four billion, six hundred sixty-three million, six hundred forty-six thousand, five hundred twenty-two".