190420409376 has 36 divisors (see below), whose sum is σ = 541508039982. Its totient is φ = 63473469696.

The previous prime is 190420409353. The next prime is 190420409393. The reversal of 190420409376 is 673904024091.

It is a happy number.

190420409376 is a `hidden beast` number, since 190 + 4 + 20 + 409 + 37 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 158942552976 + 31477856400 = 398676^2 + 177420^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330590701 + ... + 330591276.

Almost surely, 2^190420409376 is an apocalyptic number.

190420409376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

190420409376 is an abundant number, since it is smaller than the sum of its proper divisors (351087630606).

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

190420409376 is a wasteful number, since it uses less digits than its factorization.

190420409376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661181993 (or 661181982 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 190420409376 in words is "one hundred ninety billion, four hundred twenty million, four hundred nine thousand, three hundred seventy-six".