199841371400388 has 48 divisors (see below), whose sum is σ = 469146316020480. Its totient is φ = 66207748588800.

The previous prime is 199841371400353. The next prime is 199841371400399. The reversal of 199841371400388 is 883004173148991.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65376883 + ... + 68365338.

It is an arithmetic number, because the mean of its divisors is an integer number (9773881583760).

Almost surely, 2^{199841371400388} is an apocalyptic number.

It is an amenable number.

199841371400388 is an abundant number, since it is smaller than the sum of its proper divisors (269304944620092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199841371400388 is a wasteful number, since it uses less digits than its factorization.

199841371400388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133742988 (or 133742986 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 66.

The spelling of 199841371400388 in words is "one hundred ninety-nine trillion, eight hundred forty-one billion, three hundred seventy-one million, four hundred thousand, three hundred eighty-eight".