199208663040 has 192 divisors, whose sum is σ = 654540475680. Its totient is φ = 51686277120.

The previous prime is 199208663023. The next prime is 199208663051. The reversal of 199208663040 is 40366802991.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 1049010 + ... + 1224270.

Almost surely, 2^199208663040 is an apocalyptic number.

199208663040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199208663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327270237840).

199208663040 is an abundant number, since it is smaller than the sum of its proper divisors (455331812640).

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

199208663040 is a wasteful number, since it uses less digits than its factorization.

199208663040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175328 (or 175308 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 199208663040 in words is "one hundred ninety-nine billion, two hundred eight million, six hundred sixty-three thousand, forty".