196242259590 has 96 divisors (see below), whose sum is σ = 549690182496. Its totient is φ = 48287162880.

The previous prime is 196242259589. The next prime is 196242259613. The reversal of 196242259590 is 95952242691.

196242259590 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 42 + 2 + 5 + 9 + 590 = 666.

It is a super-2 number, since 2×196242259590² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3136210 + ... + 3198170.

It is an arithmetic number, because the mean of its divisors is an integer number (5725939401).

Almost surely, 2^196242259590 is an apocalyptic number.

196242259590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196242259590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274845091248).

196242259590 is an abundant number, since it is smaller than the sum of its proper divisors (353447922906).

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

196242259590 is a wasteful number, since it uses less digits than its factorization.

196242259590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64694 (or 64691 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 196242259590 in words is "one hundred ninety-six billion, two hundred forty-two million, two hundred fifty-nine thousand, five hundred ninety".