199487232000 has 2304 divisors, whose sum is σ = 932166144000. Its totient is φ = 41803776000.

The previous prime is 199487231989. The next prime is 199487232013. The reversal of 199487232000 is 232784991.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6435071985 + ... + 6435072015.

It is an arithmetic number, because the mean of its divisors is an integer number (404586000).

Almost surely, 2^199487232000 is an apocalyptic number.

199487232000 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 199487232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466083072000).

199487232000 is an abundant number, since it is smaller than the sum of its proper divisors (732678912000).

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

199487232000 is a wasteful number, since it uses less digits than its factorization.

199487232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 199487232000 in words is "one hundred ninety-nine billion, four hundred eighty-seven million, two hundred thirty-two thousand".