196028877642 has 128 divisors (see below), whose sum is σ = 442562641920. Its totient is φ = 57474144000.

The previous prime is 196028877641. The next prime is 196028877679. The reversal of 196028877642 is 246778820691.

It is a happy number.

196028877642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (196028877641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82329292 + ... + 82331672.

It is an arithmetic number, because the mean of its divisors is an integer number (3457520640).

Almost surely, 2^196028877642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196028877642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221281320960).

196028877642 is an abundant number, since it is smaller than the sum of its proper divisors (246533764278).

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

196028877642 is a wasteful number, since it uses less digits than its factorization.

196028877642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 196028877642 in words is "one hundred ninety-six billion, twenty-eight million, eight hundred seventy-seven thousand, six hundred forty-two".