194255140896 has 144 divisors (see below), whose sum is σ = 603024458400. Its totient is φ = 61343682048.

The previous prime is 194255140879. The next prime is 194255140957. The reversal of 194255140896 is 698041552491.

194255140896 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 551 + 4 + 0 + 89 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509661 + ... + 805148.

It is an arithmetic number, because the mean of its divisors is an integer number (4187669850).

Almost surely, 2^194255140896 is an apocalyptic number.

194255140896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194255140896 is an abundant number, since it is smaller than the sum of its proper divisors (408769317504).

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

194255140896 is a wasteful number, since it uses less digits than its factorization.

194255140896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314853 (or 1314833 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 194255140896 in words is "one hundred ninety-four billion, two hundred fifty-five million, one hundred forty thousand, eight hundred ninety-six".