190442869872 has 40 divisors (see below), whose sum is σ = 492025282176. Its totient is φ = 63474780096.

The previous prime is 190442869861. The next prime is 190442869913. The reversal of 190442869872 is 278968244091.

It is a congruent number.

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, 319483 + ... + 694949.

Almost surely, 2^190442869872 is an apocalyptic number.

190442869872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190442869872 is an abundant number, since it is smaller than the sum of its proper divisors (301582412304).

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

190442869872 is a wasteful number, since it uses less digits than its factorization.

190442869872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386045 (or 386039 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 190442869872 in words is "one hundred ninety billion, four hundred forty-two million, eight hundred sixty-nine thousand, eight hundred seventy-two".