4144140625 has 27 divisors (see below), whose sum is σ = 5230954353. Its totient is φ = 3283125000.

The previous prime is 4144140617. The next prime is 4144140653. The reversal of 4144140625 is 5260414414.

The square root of 4144140625 is 64375.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2946426961 + 1197713664 = 54281^2 + 34608^2 .

It is not a de Polignac number, because 4144140625 - 2³ = 4144140617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40234324 + ... + 40234426.

Almost surely, 2^4144140625 is an apocalyptic number.

4144140625 is the 64375-th square number.

4144140625 is the 32188-th centered octagonal number.

It is an amenable number.

4144140625 is a deficient number, since it is larger than the sum of its proper divisors (1086813728).

4144140625 is an frugal number, since it uses more digits than its factorization.

4144140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The cubic root of 4144140625 is about 1606.2439123248.

The spelling of 4144140625 in words is "four billion, one hundred forty-four million, one hundred forty thousand, six hundred twenty-five".