196212240 has 320 divisors, whose sum is σ = 814233600. Its totient is φ = 42425856.

The previous prime is 196212239. The next prime is 196212251. The reversal of 196212240 is 42212691.

196212240 is a `hidden beast` number, since 19 + 621 + 2 + 24 + 0 = 666.

196212240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286939 + ... + 287621.

It is an arithmetic number, because the mean of its divisors is an integer number (2544480).

Almost surely, 2^196212240 is an apocalyptic number.

196212240 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 196212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407116800).

196212240 is an abundant number, since it is smaller than the sum of its proper divisors (618021360).

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

196212240 is a wasteful number, since it uses less digits than its factorization.

196212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 196212240 is about 14007.5779490960. The cubic root of 196212240 is about 581.0881672253.

The spelling of 196212240 in words is "one hundred ninety-six million, two hundred twelve thousand, two hundred forty".