8185990350 has 48 divisors (see below), whose sum is σ = 20319846768. Its totient is φ = 2180931840.

The previous prime is 8185990313. The next prime is 8185990357. The reversal of 8185990350 is 530995818.

It is a self number, because there is not a number n which added to its sum of digits gives 8185990350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8185990357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143122 + ... + 191978.

It is an arithmetic number, because the mean of its divisors is an integer number (423330141).

Almost surely, 2^8185990350 is an apocalyptic number.

8185990350 is an abundant number, since it is smaller than the sum of its proper divisors (12133856418).

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

8185990350 is a wasteful number, since it uses less digits than its factorization.

8185990350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49989 (or 49984 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 8185990350 is about 90476.4629613691. The cubic root of 8185990350 is about 2015.3806110283.

The spelling of 8185990350 in words is "eight billion, one hundred eighty-five million, nine hundred ninety thousand, three hundred fifty".