4040004379 has 2 divisors, whose sum is σ = 4040004380. Its totient is φ = 4040004378.

The previous prime is 4040004361. The next prime is 4040004431. The reversal of 4040004379 is 9734000404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4040004379 - 2⁵ = 4040004347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040004379.

It is not a weakly prime, because it can be changed into another prime (4040004079) by changing a digit.

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 as a sum of consecutive naturals, namely, 2020002189 + 2020002190.

It is an arithmetic number, because the mean of its divisors is an integer number (2020002190).

Almost surely, 2^4040004379 is an apocalyptic number.

4040004379 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040004379 is an equidigital number, since it uses as much as digits as its factorization.

4040004379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4040004379 is about 63561.0287755005. The cubic root of 4040004379 is about 1592.6754237968.

The spelling of 4040004379 in words is "four billion, forty million, four thousand, three hundred seventy-nine".