190840468 has 24 divisors (see below), whose sum is σ = 411041792. Its totient is φ = 75497184.

The previous prime is 190840411. The next prime is 190840477. The reversal of 190840468 is 864048091.

190840468 is nontrivially palindromic in base 3.

190840468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 190840468.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 261780 + ... + 262507.

Almost surely, 2^190840468 is an apocalyptic number.

It is an amenable number.

190840468 is an abundant number, since it is smaller than the sum of its proper divisors (220201324).

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

190840468 is a wasteful number, since it uses less digits than its factorization.

190840468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524311 (or 524309 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 190840468 is about 13814.5020901949. The cubic root of 190840468 is about 575.7361389516.

The spelling of 190840468 in words is "one hundred ninety million, eight hundred forty thousand, four hundred sixty-eight".