190640112 has 120 divisors (see below), whose sum is σ = 542429568. Its totient is φ = 57657600.

The previous prime is 190640101. The next prime is 190640137. The reversal of 190640112 is 211046091.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575787 + ... + 576117.

Almost surely, 2^190640112 is an apocalyptic number.

190640112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190640112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271214784).

190640112 is an abundant number, since it is smaller than the sum of its proper divisors (351789456).

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

190640112 is a wasteful number, since it uses less digits than its factorization.

190640112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 190640112 is about 13807.2485311158. The cubic root of 190640112 is about 575.5345873929.

The spelling of 190640112 in words is "one hundred ninety million, six hundred forty thousand, one hundred twelve".