2184001840 has 20 divisors (see below), whose sum is σ = 5077804464. Its totient is φ = 873600704.

The previous prime is 2184001829. The next prime is 2184001871. The reversal of 2184001840 is 481004812.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2184001799 and 2184001808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13649932 + ... + 13650091.

Almost surely, 2^2184001840 is an apocalyptic number.

2184001840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2184001840 is an abundant number, since it is smaller than the sum of its proper divisors (2893802624).

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

2184001840 is a wasteful number, since it uses less digits than its factorization.

2184001840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27300036 (or 27300030 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 2184001840 is about 46733.3054683702. The cubic root of 2184001840 is about 1297.4311877010.

The spelling of 2184001840 in words is "two billion, one hundred eighty-four million, one thousand, eight hundred forty".