4000019999998 has 16 divisors (see below), whose sum is σ = 6554417022576. Its totient is φ = 1815710423040.

The previous prime is 4000019999981. The next prime is 4000020000019. The reversal of 4000019999998 is 8999999100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124007811 + ... + 124040062.

It is an arithmetic number, because the mean of its divisors is an integer number (409651063911).

Almost surely, 2^{4000019999998} is an apocalyptic number.

4000019999998 is a deficient number, since it is larger than the sum of its proper divisors (2554397022578).

4000019999998 is a wasteful number, since it uses less digits than its factorization.

4000019999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248048619.

The product of its (nonzero) digits is 17006112, while the sum is 67.

The spelling of 4000019999998 in words is "four trillion, nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-eight".