440402223412 has 6 divisors (see below), whose sum is σ = 770703890978. Its totient is φ = 220201111704.

The previous prime is 440402223403. The next prime is 440402223427. The reversal of 440402223412 is 214322204044.

It can be written as a sum of positive squares in only one way, i.e., 321938220816 + 118464002596 = 567396^2 + 344186^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050277923 + ... + 55050277930.

Almost surely, 2^440402223412 is an apocalyptic number.

It is an amenable number.

440402223412 is a deficient number, since it is larger than the sum of its proper divisors (330301667566).

440402223412 is a wasteful number, since it uses less digits than its factorization.

440402223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100555857 (or 110100555855 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440402223412 its reverse (214322204044), we get a palindrome (654724427456).

The spelling of 440402223412 in words is "four hundred forty billion, four hundred two million, two hundred twenty-three thousand, four hundred twelve".