195426420 has 96 divisors (see below), whose sum is σ = 628363008. Its totient is φ = 44454912.

The previous prime is 195426409. The next prime is 195426421. The reversal of 195426420 is 24624591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195426421) 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, 96862 + ... + 98858.

It is an arithmetic number, because the mean of its divisors is an integer number (6545448).

Almost surely, 2^195426420 is an apocalyptic number.

195426420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 13979×13980.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195426420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314181504).

195426420 is an abundant number, since it is smaller than the sum of its proper divisors (432936588).

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

195426420 is a wasteful number, since it uses less digits than its factorization.

195426420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 195426420 is about 13979.4999910583. The cubic root of 195426420 is about 580.3113865009.

The spelling of 195426420 in words is "one hundred ninety-five million, four hundred twenty-six thousand, four hundred twenty".