196225040 has 80 divisors (see below), whose sum is σ = 513824256. Its totient is φ = 69043200.

The previous prime is 196225013. The next prime is 196225063. The reversal of 196225040 is 40522691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 196224994 and 196225012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23684 + ... + 30876.

Almost surely, 2^196225040 is an apocalyptic number.

196225040 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 196225040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256912128).

196225040 is an abundant number, since it is smaller than the sum of its proper divisors (317599216).

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

196225040 is a wasteful number, since it uses less digits than its factorization.

196225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 196225040 is about 14008.0348371925. The cubic root of 196225040 is about 581.1008028060.

The spelling of 196225040 in words is "one hundred ninety-six million, two hundred twenty-five thousand, forty".