194450357080 has 128 divisors (see below), whose sum is σ = 537531033600. Its totient is φ = 61815909888.

The previous prime is 194450357077. The next prime is 194450357081. The reversal of 194450357080 is 80753054491.

194450357080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194450357080² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194450357080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194450357081) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 138799 + ... + 638878.

It is an arithmetic number, because the mean of its divisors is an integer number (4199461200).

Almost surely, 2^194450357080 is an apocalyptic number.

194450357080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194450357080 is an abundant number, since it is smaller than the sum of its proper divisors (343080676520).

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

194450357080 is a wasteful number, since it uses less digits than its factorization.

194450357080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777761 (or 777757 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 194450357080 in words is "one hundred ninety-four billion, four hundred fifty million, three hundred fifty-seven thousand, eighty".