200028008840 has 48 divisors (see below), whose sum is σ = 494697380940. Its totient is φ = 72737456000.

The previous prime is 200028008819. The next prime is 200028008857. The reversal of 200028008840 is 48800820002.

It can be written as a sum of positive squares in 2 ways, for example, as 200021828644 + 6180196 = 447238^2 + 2486^2 .

It is a super-2 number, since 2×200028008840² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200028008797 and 200028008806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20659211 + ... + 20668890.

Almost surely, 2^200028008840 is an apocalyptic number.

200028008840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200028008840 is an abundant number, since it is smaller than the sum of its proper divisors (294669372100).

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

200028008840 is a wasteful number, since it uses less digits than its factorization.

200028008840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41328134 (or 41328119 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

Adding to 200028008840 its reverse (48800820002), we get a palindrome (248828828842).

The spelling of 200028008840 in words is "two hundred billion, twenty-eight million, eight thousand, eight hundred forty".