199604802240 has 168 divisors, whose sum is σ = 686897572608. Its totient is φ = 53201571840.

The previous prime is 199604802223. The next prime is 199604802247. The reversal of 199604802240 is 42208406991.

199604802240 is a `hidden beast` number, since 1 + 99 + 60 + 480 + 2 + 24 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (199604802247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6184545 + ... + 6216735.

Almost surely, 2^199604802240 is an apocalyptic number.

199604802240 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 199604802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343448786304).

199604802240 is an abundant number, since it is smaller than the sum of its proper divisors (487292770368).

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

199604802240 is a wasteful number, since it uses less digits than its factorization.

199604802240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34367 (or 34354 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 199604802240 in words is "one hundred ninety-nine billion, six hundred four million, eight hundred two thousand, two hundred forty".