190838398504 has 32 divisors (see below), whose sum is σ = 386024121000. Its totient is φ = 87924436992.

The previous prime is 190838398489. The next prime is 190838398547. The reversal of 190838398504 is 405893838091.

It can be written as a sum of positive squares in 4 ways, for example, as 52381476900 + 138456921604 = 228870^2 + 372098^2 .

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, 1553289 + ... + 1671640.

Almost surely, 2^190838398504 is an apocalyptic number.

It is an amenable number.

190838398504 is an abundant number, since it is smaller than the sum of its proper divisors (195185722496).

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

190838398504 is a wasteful number, since it uses less digits than its factorization.

190838398504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225517 (or 3225513 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 190838398504 in words is "one hundred ninety billion, eight hundred thirty-eight million, three hundred ninety-eight thousand, five hundred four".