196520426500 has 48 divisors (see below), whose sum is σ = 433211950080. Its totient is φ = 77873493600.

The previous prime is 196520426489. The next prime is 196520426503. The reversal of 196520426500 is 5624025691.

It is not an unprimeable number, because it can be changed into a prime (196520426503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783140 + ... + 1890139.

It is an arithmetic number, because the mean of its divisors is an integer number (9025248960).

Almost surely, 2^196520426500 is an apocalyptic number.

196520426500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196520426500 is an abundant number, since it is smaller than the sum of its proper divisors (236691523580).

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

196520426500 is a wasteful number, since it uses less digits than its factorization.

196520426500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673405 (or 3673393 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 196520426500 in words is "one hundred ninety-six billion, five hundred twenty million, four hundred twenty-six thousand, five hundred".