4005044379 has 16 divisors (see below), whose sum is σ = 6781027840. Its totient is φ = 2288596680.

The previous prime is 4005044363. The next prime is 4005044389. The reversal of 4005044379 is 9734405004.

4005044379 is a `hidden beast` number, since 40 + 0 + 504 + 43 + 79 = 666.

4005044379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4005044379 - 2⁴ = 4005044363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005044339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10595167 + ... + 10595544.

It is an arithmetic number, because the mean of its divisors is an integer number (423814240).

Almost surely, 2^4005044379 is an apocalyptic number.

4005044379 is a deficient number, since it is larger than the sum of its proper divisors (2775983461).

4005044379 is a wasteful number, since it uses less digits than its factorization.

4005044379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21190727 (or 21190721 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 4005044379 is about 63285.4199559425. The cubic root of 4005044379 is about 1588.0680593711.

The spelling of 4005044379 in words is "four billion, five million, forty-four thousand, three hundred seventy-nine".