4030726144 has 69 divisors (see below), whose sum is σ = 8329886751. Its totient is φ = 1950351360.

The previous prime is 4030726123. The next prime is 4030726199. The reversal of 4030726144 is 4416270304.

The square root of 4030726144 is 63488.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 130023409 + ... + 130023439.

Almost surely, 2^4030726144 is an apocalyptic number.

4030726144 is the 63488-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4030726144

4030726144 is an abundant number, since it is smaller than the sum of its proper divisors (4299160607).

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

4030726144 is an frugal number, since it uses more digits than its factorization.

4030726144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The cubic root of 4030726144 is about 1591.4552482448.

Adding to 4030726144 its reverse (4416270304), we get a palindrome (8446996448).

The spelling of 4030726144 in words is "four billion, thirty million, seven hundred twenty-six thousand, one hundred forty-four".