194735213880 has 32 divisors (see below), whose sum is σ = 584205642000. Its totient is φ = 51929390336.

The previous prime is 194735213807. The next prime is 194735213887. The reversal of 194735213880 is 88312537491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194735213887) 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, 811396605 + ... + 811396844.

Almost surely, 2^194735213880 is an apocalyptic number.

194735213880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194735213880 is an abundant number, since it is smaller than the sum of its proper divisors (389470428120).

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

194735213880 is a wasteful number, since it uses less digits than its factorization.

194735213880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622793463 (or 1622793459 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 194735213880 in words is "one hundred ninety-four billion, seven hundred thirty-five million, two hundred thirteen thousand, eight hundred eighty".