196403991423040 has 112 divisors (see below), whose sum is σ = 500646214555200. Its totient is φ = 73165304788992.

The previous prime is 196403991423001. The next prime is 196403991423043. The reversal of 196403991423040 is 40324199304691.

It is not an unprimeable number, because it can be changed into a prime (196403991423043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273397959 + ... + 274115398.

It is an arithmetic number, because the mean of its divisors is an integer number (4470055487100).

Almost surely, 2^{196403991423040} is an apocalyptic number.

196403991423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196403991423040 is an abundant number, since it is smaller than the sum of its proper divisors (304242223132160).

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

196403991423040 is a wasteful number, since it uses less digits than its factorization.

196403991423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547513452 (or 547513442 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 196403991423040 in words is "one hundred ninety-six trillion, four hundred three billion, nine hundred ninety-one million, four hundred twenty-three thousand, forty".