1999940119814 has 72 divisors (see below), whose sum is σ = 3977661992040. Its totient is φ = 749543663232.

The previous prime is 1999940119777. The next prime is 1999940119823. The reversal of 1999940119814 is 4189110499991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2863079 + ... + 3492434.

It is an arithmetic number, because the mean of its divisors is an integer number (55245305445).

Almost surely, 2^{1999940119814} is an apocalyptic number.

1999940119814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1999940119814 is a deficient number, since it is larger than the sum of its proper divisors (1977721872226).

1999940119814 is a wasteful number, since it uses less digits than its factorization.

1999940119814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355574 (or 6355554 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 65.

The spelling of 1999940119814 in words is "one trillion, nine hundred ninety-nine billion, nine hundred forty million, one hundred nineteen thousand, eight hundred fourteen".