190640224 has 24 divisors (see below), whose sum is σ = 395078040. Its totient is φ = 90302976.

The previous prime is 190640221. The next prime is 190640251. The reversal of 190640224 is 422046091.

It is a junction number, because it is equal to n+sod(n) for n = 190640192 and 190640201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190640221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156169 + ... + 157384.

It is an arithmetic number, because the mean of its divisors is an integer number (16461585).

Almost surely, 2^190640224 is an apocalyptic number.

It is an amenable number.

190640224 is an abundant number, since it is smaller than the sum of its proper divisors (204437816).

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

190640224 is a wasteful number, since it uses less digits than its factorization.

190640224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313582 (or 313574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 190640224 is about 13807.2525869559. The cubic root of 190640224 is about 575.5347001007.

The spelling of 190640224 in words is "one hundred ninety million, six hundred forty thousand, two hundred twenty-four".