44164042320 has 160 divisors (see below), whose sum is σ = 144746985600. Its totient is φ = 11108247552.

The previous prime is 44164042309. The next prime is 44164042357. The reversal of 44164042320 is 2324046144.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023094 + ... + 1065386.

It is an arithmetic number, because the mean of its divisors is an integer number (904668660).

Almost surely, 2^44164042320 is an apocalyptic number.

44164042320 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 44164042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72373492800).

44164042320 is an abundant number, since it is smaller than the sum of its proper divisors (100582943280).

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

44164042320 is a wasteful number, since it uses less digits than its factorization.

44164042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42557 (or 42551 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 44164042320 its reverse (2324046144), we get a palindrome (46488088464).

The spelling of 44164042320 in words is "forty-four billion, one hundred sixty-four million, forty-two thousand, three hundred twenty".