4006620144 has 60 divisors (see below), whose sum is σ = 11403046200. Its totient is φ = 1312900992.

The previous prime is 4006620133. The next prime is 4006620151. The reversal of 4006620144 is 4410266004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227299 + ... + 244290.

It is an arithmetic number, because the mean of its divisors is an integer number (190050770).

Almost surely, 2^4006620144 is an apocalyptic number.

It is an amenable number.

4006620144 is an abundant number, since it is smaller than the sum of its proper divisors (7396426056).

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

4006620144 is a wasteful number, since it uses less digits than its factorization.

4006620144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471662 (or 471653 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4006620144 is about 63297.8684001286. The cubic root of 4006620144 is about 1588.2763045833.

Adding to 4006620144 its reverse (4410266004), we get a palindrome (8416886148).

The spelling of 4006620144 in words is "four billion, six million, six hundred twenty thousand, one hundred forty-four".