4144072660 has 144 divisors (see below), whose sum is σ = 11404302336. Its totient is φ = 1234262016.

The previous prime is 4144072613. The next prime is 4144072661. The reversal of 4144072660 is 662704414.

4144072660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4144072660² = 34346676422718951200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144072661) 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, 397069 + ... + 407371.

It is an arithmetic number, because the mean of its divisors is an integer number (79196544).

Almost surely, 2^4144072660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4144072660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702151168).

4144072660 is an abundant number, since it is smaller than the sum of its proper divisors (7260229676).

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

4144072660 is a wasteful number, since it uses less digits than its factorization.

4144072660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 4144072660 is about 64374.4721143405. The cubic root of 4144072660 is about 1606.2351313355.

The spelling of 4144072660 in words is "four billion, one hundred forty-four million, seventy-two thousand, six hundred sixty".