4544044164 has 144 divisors (see below), whose sum is σ = 13098052800. Its totient is φ = 1361162880.

The previous prime is 4544044163. The next prime is 4544044171. The reversal of 4544044164 is 4614404454.

4544044164 is a `hidden beast` number, since 454 + 4 + 0 + 44 + 164 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4544044163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1161099 + ... + 1165005.

It is an arithmetic number, because the mean of its divisors is an integer number (90958700).

Almost surely, 2^4544044164 is an apocalyptic number.

4544044164 is a gapful number since it is divisible by the number (44) 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 4544044164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6549026400).

4544044164 is an abundant number, since it is smaller than the sum of its proper divisors (8554008636).

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

4544044164 is a wasteful number, since it uses less digits than its factorization.

4544044164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The square root of 4544044164 is about 67409.5257660221. The cubic root of 4544044164 is about 1656.3324658044.

The spelling of 4544044164 in words is "four billion, five hundred forty-four million, forty-four thousand, one hundred sixty-four".