440400200440 has 64 divisors (see below), whose sum is σ = 1032871053600. Its totient is φ = 168840764928.

The previous prime is 440400200389. The next prime is 440400200441. The reversal of 440400200440 is 44002004044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440400200441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121495 + ... + 2319814.

Almost surely, 2^440400200440 is an apocalyptic number.

440400200440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440400200440 is an abundant number, since it is smaller than the sum of its proper divisors (592470853160).

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

440400200440 is a wasteful number, since it uses less digits than its factorization.

440400200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441424 (or 4441420 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 440400200440 its reverse (44002004044), we get a palindrome (484402204484).

The spelling of 440400200440 in words is "four hundred forty billion, four hundred million, two hundred thousand, four hundred forty".