190390850244 has 135 divisors (see below), whose sum is σ = 579146821407. Its totient is φ = 54381677616.

The previous prime is 190390850207. The next prime is 190390850249. The reversal of 190390850244 is 442058093091.

The square root of 190390850244 is 436338.

It is a perfect power (a square), and thus also a powerful number.

190390850244 is a `hidden beast` number, since 19 + 0 + 3 + 90 + 8 + 502 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 190390850244.

It is not an unprimeable number, because it can be changed into a prime (190390850249) by changing a digit.

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 44 ways as a sum of consecutive naturals, for example, 54976857 + ... + 54980319.

Almost surely, 2^190390850244 is an apocalyptic number.

190390850244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190390850244 is the 436338-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190390850244

190390850244 is an abundant number, since it is smaller than the sum of its proper divisors (388755971163).

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

190390850244 is an frugal number, since it uses more digits than its factorization.

190390850244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 190390850244 in words is "one hundred ninety billion, three hundred ninety million, eight hundred fifty thousand, two hundred forty-four".