1868500350 has 72 divisors (see below), whose sum is σ = 5033163720. Its totient is φ = 496964160.

The previous prime is 1868500331. The next prime is 1868500373. The reversal of 1868500350 is 530058681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 173421 + ... + 183879.

Almost surely, 2^1868500350 is an apocalyptic number.

1868500350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868500350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516581860).

1868500350 is an abundant number, since it is smaller than the sum of its proper divisors (3164663370).

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

1868500350 is a wasteful number, since it uses less digits than its factorization.

1868500350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1868500350 is about 43226.1535415771. The cubic root of 1868500350 is about 1231.6795417821.

The spelling of 1868500350 in words is "one billion, eight hundred sixty-eight million, five hundred thousand, three hundred fifty".