4000019999999 has 8 divisors (see below), whose sum is σ = 4232592122880. Its totient is φ = 3769652352600.

The previous prime is 4000019999981. The next prime is 4000020000019. The reversal of 4000019999999 is 9999999100004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000019999999 - 2⁸ = 4000019999743 is a prime.

It is a Duffinian number.

4000019999999 is a modest number, since divided by 9999999 gives 400001 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000019999399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551115137 + ... + 551122394.

It is an arithmetic number, because the mean of its divisors is an integer number (529074015360).

Almost surely, 2^{4000019999999} is an apocalyptic number.

4000019999999 is a deficient number, since it is larger than the sum of its proper divisors (232572122881).

4000019999999 is a wasteful number, since it uses less digits than its factorization.

4000019999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102237741.

The product of its (nonzero) digits is 19131876, while the sum is 68.

The spelling of 4000019999999 in words is "four trillion, nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".