8190206390 has 32 divisors (see below), whose sum is σ = 15913817280. Its totient is φ = 3025585024.

The previous prime is 8190206383. The next prime is 8190206483. The reversal of 8190206390 is 936020918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607289 + ... + 620628.

It is an arithmetic number, because the mean of its divisors is an integer number (497306790).

Almost surely, 2^8190206390 is an apocalyptic number.

8190206390 is a deficient number, since it is larger than the sum of its proper divisors (7723610890).

8190206390 is a wasteful number, since it uses less digits than its factorization.

8190206390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227976.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 8190206390 is about 90499.7590604528. The cubic root of 8190206390 is about 2015.7265462420.

The spelling of 8190206390 in words is "eight billion, one hundred ninety million, two hundred six thousand, three hundred ninety".