1849874680 has 32 divisors (see below), whose sum is σ = 4173120000. Its totient is φ = 738011776.

The previous prime is 1849874651. The next prime is 1849874693. The reversal of 1849874680 is 864789481.

It is a happy number.

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, 45055 + ... + 75694.

It is an arithmetic number, because the mean of its divisors is an integer number (130410000).

Almost surely, 2^1849874680 is an apocalyptic number.

1849874680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1849874680 is an abundant number, since it is smaller than the sum of its proper divisors (2323245320).

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

1849874680 is a wasteful number, since it uses less digits than its factorization.

1849874680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121143 (or 121139 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 1849874680 is about 43010.1694951322. The cubic root of 1849874680 is about 1227.5733061139.

The spelling of 1849874680 in words is "one billion, eight hundred forty-nine million, eight hundred seventy-four thousand, six hundred eighty".