2199803840 has 56 divisors (see below), whose sum is σ = 5641238400. Its totient is φ = 812233728.

The previous prime is 2199803821. The next prime is 2199803843. The reversal of 2199803840 is 483089912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2199803791 and 2199803800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199803843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260240 + ... + 268559.

It is an arithmetic number, because the mean of its divisors is an integer number (100736400).

Almost surely, 2^2199803840 is an apocalyptic number.

2199803840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2199803840 is an abundant number, since it is smaller than the sum of its proper divisors (3441434560).

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

2199803840 is a wasteful number, since it uses less digits than its factorization.

2199803840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528829 (or 528819 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 2199803840 is about 46902.0664789943. The cubic root of 2199803840 is about 1300.5527905482.

The spelling of 2199803840 in words is "two billion, one hundred ninety-nine million, eight hundred three thousand, eight hundred forty".