1868385300 has 72 divisors (see below), whose sum is σ = 5551998816. Its totient is φ = 484767360.

The previous prime is 1868385271. The next prime is 1868385367. The reversal of 1868385300 is 35838681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73062 + ... + 95261.

Almost surely, 2^1868385300 is an apocalyptic number.

1868385300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1868385300 is an abundant number, since it is smaller than the sum of its proper divisors (3683613516).

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

1868385300 is a wasteful number, since it uses less digits than its factorization.

1868385300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168377 (or 168370 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1868385300 is about 43224.8227295382. The cubic root of 1868385300 is about 1231.6542616799.

The spelling of 1868385300 in words is "one billion, eight hundred sixty-eight million, three hundred eighty-five thousand, three hundred".