1868345080 has 32 divisors (see below), whose sum is σ = 4804316640. Its totient is φ = 640575360.

The previous prime is 1868345053. The next prime is 1868345111. The reversal of 1868345080 is 805438681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336051 + ... + 3336610.

It is an arithmetic number, because the mean of its divisors is an integer number (150134895).

Almost surely, 2^1868345080 is an apocalyptic number.

1868345080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1868345080 is an abundant number, since it is smaller than the sum of its proper divisors (2935971560).

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

1868345080 is a wasteful number, since it uses less digits than its factorization.

1868345080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672679 (or 6672675 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 1868345080 is about 43224.3574851032. The cubic root of 1868345080 is about 1231.6454238365.

The spelling of 1868345080 in words is "one billion, eight hundred sixty-eight million, three hundred forty-five thousand, eighty".