440400200422 has 32 divisors (see below), whose sum is σ = 813813182784. Its totient is φ = 174059971200.

The previous prime is 440400200389. The next prime is 440400200441. The reversal of 440400200422 is 224002004044.

It is a junction number, because it is equal to n+sod(n) for n = 440400200393 and 440400200402.

It is a congruent number.

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, 947229 + ... + 1333432.

It is an arithmetic number, because the mean of its divisors is an integer number (25431661962).

Almost surely, 2^440400200422 is an apocalyptic number.

440400200422 is a deficient number, since it is larger than the sum of its proper divisors (373412982362).

440400200422 is a wasteful number, since it uses less digits than its factorization.

440400200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281744.

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

Adding to 440400200422 its reverse (224002004044), we get a palindrome (664402204466).

The spelling of 440400200422 in words is "four hundred forty billion, four hundred million, two hundred thousand, four hundred twenty-two".