194549140470 has 32 divisors (see below), whose sum is σ = 467395917408. Its totient is φ = 51826661888.

The previous prime is 194549140459. The next prime is 194549140501. The reversal of 194549140470 is 74041945491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289509 + ... + 3348128.

It is an arithmetic number, because the mean of its divisors is an integer number (14606122419).

Almost surely, 2^194549140470 is an apocalyptic number.

194549140470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194549140470 is an abundant number, since it is smaller than the sum of its proper divisors (272846776938).

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

194549140470 is a wasteful number, since it uses less digits than its factorization.

194549140470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638624.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 194549140470 in words is "one hundred ninety-four billion, five hundred forty-nine million, one hundred forty thousand, four hundred seventy".