194460641988 has 24 divisors (see below), whose sum is σ = 455466758208. Its totient is φ = 64573748256.

The previous prime is 194460641957. The next prime is 194460642007. The reversal of 194460641988 is 889146064491.

It is a super-3 number, since 3×194460641988³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30804931 + ... + 30811242.

It is an arithmetic number, because the mean of its divisors is an integer number (18977781592).

Almost surely, 2^194460641988 is an apocalyptic number.

It is an amenable number.

194460641988 is an abundant number, since it is smaller than the sum of its proper divisors (261006116220).

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

194460641988 is a wasteful number, since it uses less digits than its factorization.

194460641988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61616443 (or 61616441 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 194460641988 in words is "one hundred ninety-four billion, four hundred sixty million, six hundred forty-one thousand, nine hundred eighty-eight".