194842151040 has 64 divisors (see below), whose sum is σ = 621059362560. Its totient is φ = 51957906432.

The previous prime is 194842151039. The next prime is 194842151059. The reversal of 194842151040 is 40151248491.

194842151040 is digitally balanced in base 2, 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 (64).

It is a self number, because there is not a number n which added to its sum of digits gives 194842151040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50738224 + ... + 50742063.

It is an arithmetic number, because the mean of its divisors is an integer number (9704052540).

Almost surely, 2^194842151040 is an apocalyptic number.

194842151040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194842151040 is an abundant number, since it is smaller than the sum of its proper divisors (426217211520).

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

194842151040 is a wasteful number, since it uses less digits than its factorization.

194842151040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101480309 (or 101480297 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 194842151040 in words is "one hundred ninety-four billion, eight hundred forty-two million, one hundred fifty-one thousand, forty".