196197906240 has 224 divisors, whose sum is σ = 791020373760. Its totient is φ = 44845221888.

The previous prime is 196197906221. The next prime is 196197906251. The reversal of 196197906240 is 42609791691.

It is a happy number.

196197906240 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 9 + 7 + 9 + 0 + 624 + 0 = 666.

196197906240 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1561527 + ... + 1682486.

Almost surely, 2^196197906240 is an apocalyptic number.

196197906240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196197906240 is an abundant number, since it is smaller than the sum of its proper divisors (594822467520).

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

196197906240 is a wasteful number, since it uses less digits than its factorization.

196197906240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244046 (or 3244030 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 196197906240 in words is "one hundred ninety-six billion, one hundred ninety-seven million, nine hundred six thousand, two hundred forty".