4061385441 has 45 divisors (see below), whose sum is σ = 6215324841. Its totient is φ = 2642969088.

The previous prime is 4061385397. The next prime is 4061385463. The reversal of 4061385441 is 1445831604.

The square root of 4061385441 is 63729.

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

4061385441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1147041 + 4060238400 = 1071^2 + 63720^2 .

It is not a de Polignac number, because 4061385441 - 2¹³ = 4061377249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4061385396 and 4061385405.

It is not an unprimeable number, because it can be changed into a prime (4061335441) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 41869905 + ... + 41870001.

Almost surely, 2^4061385441 is an apocalyptic number.

4061385441 is the 63729-th square number.

4061385441 is the 31865-th centered octagonal number.

It is an amenable number.

4061385441 is a deficient number, since it is larger than the sum of its proper divisors (2153939400).

4061385441 is an frugal number, since it uses more digits than its factorization.

4061385441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The cubic root of 4061385441 is about 1595.4801397763.

Multiplying 4061385441 by its sum of digits (36), we get a square (146209875876 = 382374²).

The spelling of 4061385441 in words is "four billion, sixty-one million, three hundred eighty-five thousand, four hundred forty-one".