190985252424 has 16 divisors (see below), whose sum is σ = 477463131120. Its totient is φ = 63661750800.

The previous prime is 190985252417. The next prime is 190985252461. The reversal of 190985252424 is 424252589091.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978859402 + ... + 3978859449.

It is an arithmetic number, because the mean of its divisors is an integer number (29841445695).

Almost surely, 2^190985252424 is an apocalyptic number.

It is an amenable number.

190985252424 is an abundant number, since it is smaller than the sum of its proper divisors (286477878696).

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

190985252424 is a wasteful number, since it uses less digits than its factorization.

190985252424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957718860 (or 7957718856 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 190985252424 in words is "one hundred ninety billion, nine hundred eighty-five million, two hundred fifty-two thousand, four hundred twenty-four".