4000404019 has 2 divisors, whose sum is σ = 4000404020. Its totient is φ = 4000404018.

The previous prime is 4000403983. The next prime is 4000404059. The reversal of 4000404019 is 9104040004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000404019 - 2²³ = 3992015411 is a prime.

It is a super-2 number, since 2×4000404019² = 32006464630462704722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4000404059) 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, 2000202009 + 2000202010.

It is an arithmetic number, because the mean of its divisors is an integer number (2000202010).

Almost surely, 2^4000404019 is an apocalyptic number.

4000404019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000404019 is an equidigital number, since it uses as much as digits as its factorization.

4000404019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4000404019 is about 63248.7471733630. The cubic root of 4000404019 is about 1587.4544951844.

The spelling of 4000404019 in words is "four billion, four hundred four thousand, nineteen".