196435427328 has 540 divisors, whose sum is σ = 682180629312. Its totient is φ = 54252011520.

The previous prime is 196435427317. The next prime is 196435427333. The reversal of 196435427328 is 823724534691.

196435427328 is a `hidden beast` number, since 1 + 9 + 6 + 4 + 3 + 542 + 73 + 28 = 666.

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, 223985226 + ... + 223986102.

Almost surely, 2^196435427328 is an apocalyptic number.

196435427328 is a gapful number since it is divisible by the number (18) 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 196435427328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341090314656).

196435427328 is an abundant number, since it is smaller than the sum of its proper divisors (485745201984).

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

196435427328 is an equidigital number, since it uses as much as digits as its factorization.

196435427328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 920 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 196435427328 in words is "one hundred ninety-six billion, four hundred thirty-five million, four hundred twenty-seven thousand, three hundred twenty-eight".