44161642160 has 80 divisors (see below), whose sum is σ = 104762937600. Its totient is φ = 17308650240.

The previous prime is 44161642141. The next prime is 44161642181. The reversal of 44161642160 is 6124616144.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 44161642160.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901991 + ... + 949689.

It is an arithmetic number, because the mean of its divisors is an integer number (1309536720).

Almost surely, 2^44161642160 is an apocalyptic number.

44161642160 is a gapful number since it is divisible by the number (40) 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 44161642160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52381468800).

44161642160 is an abundant number, since it is smaller than the sum of its proper divisors (60601295440).

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

44161642160 is a wasteful number, since it uses less digits than its factorization.

44161642160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47946 (or 47940 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 44161642160 in words is "forty-four billion, one hundred sixty-one million, six hundred forty-two thousand, one hundred sixty".