196877546240 has 72 divisors (see below), whose sum is σ = 474218342640. Its totient is φ = 78310977536.

The previous prime is 196877546191. The next prime is 196877546249. The reversal of 196877546240 is 42645778691.

It is a self number, because there is not a number n which added to its sum of digits gives 196877546240.

It is not an unprimeable number, because it can be changed into a prime (196877546249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200519 + ... + 658758.

It is an arithmetic number, because the mean of its divisors is an integer number (6586365870).

Almost surely, 2^196877546240 is an apocalyptic number.

196877546240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196877546240 is an abundant number, since it is smaller than the sum of its proper divisors (277340796400).

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

196877546240 is an equidigital number, since it uses as much as digits as its factorization.

196877546240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859477 (or 859463 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 196877546240 in words is "one hundred ninety-six billion, eight hundred seventy-seven million, five hundred forty-six thousand, two hundred forty".