196489314240 has 224 divisors, whose sum is σ = 638257052160. Its totient is φ = 51198160896.

The previous prime is 196489314233. The next prime is 196489314247. The reversal of 196489314240 is 42413984691.

It is an interprime number because it is at equal distance from previous prime (196489314233) and next prime (196489314247).

It is a super-2 number, since 2×196489314240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196489314247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9448494 + ... + 9469266.

It is an arithmetic number, because the mean of its divisors is an integer number (2849361840).

Almost surely, 2^196489314240 is an apocalyptic number.

196489314240 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 196489314240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319128526080).

196489314240 is an abundant number, since it is smaller than the sum of its proper divisors (441767737920).

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

196489314240 is a wasteful number, since it uses less digits than its factorization.

196489314240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21019 (or 21009 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 196489314240 in words is "one hundred ninety-six billion, four hundred eighty-nine million, three hundred fourteen thousand, two hundred forty".