200440404402440 has 64 divisors (see below), whose sum is σ = 453200857922160. Its totient is φ = 79784241546240.

The previous prime is 200440404402419. The next prime is 200440404402503. The reversal of 200440404402440 is 44204404044002.

It can be written as a sum of positive squares in 8 ways, for example, as 59612389460836 + 140828014941604 = 7720906^2 + 11867098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200440404402397 and 200440404402406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305247 + ... + 21676206.

Almost surely, 2^{200440404402440} is an apocalyptic number.

200440404402440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200440404402440 is an abundant number, since it is smaller than the sum of its proper divisors (252760453519720).

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

200440404402440 is a wasteful number, since it uses less digits than its factorization.

200440404402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29982282 (or 29982278 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 200440404402440 its reverse (44204404044002), we get a palindrome (244644808446442).

The spelling of 200440404402440 in words is "two hundred trillion, four hundred forty billion, four hundred four million, four hundred two thousand, four hundred forty".