44522601643 has 24 divisors (see below), whose sum is σ = 48754494000. Its totient is φ = 40636911744.

The previous prime is 44522601623. The next prime is 44522601731. The reversal of 44522601643 is 34610622544.

It is a de Polignac number, because none of the positive numbers 2^k-44522601643 is a prime.

It is a super-5 number, since 5×44522601643⁵ (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44522601623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5712193 + ... + 5719981.

It is an arithmetic number, because the mean of its divisors is an integer number (2031437250).

Almost surely, 2^44522601643 is an apocalyptic number.

44522601643 is a deficient number, since it is larger than the sum of its proper divisors (4231892357).

44522601643 is a wasteful number, since it uses less digits than its factorization.

44522601643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 44522601643 in words is "forty-four billion, five hundred twenty-two million, six hundred one thousand, six hundred forty-three".