1440421111204 has 6 divisors (see below), whose sum is σ = 2520736944614. Its totient is φ = 720210555600.

The previous prime is 1440421111187. The next prime is 1440421111219. The reversal of 1440421111204 is 4021111240441.

It can be written as a sum of positive squares in only one way, i.e., 1046627210304 + 393793900900 = 1023048^2 + 627530^2 .

It is a super-2 number, since 2×1440421111204² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180052638897 + ... + 180052638904.

Almost surely, 2^{1440421111204} is an apocalyptic number.

It is an amenable number.

1440421111204 is a deficient number, since it is larger than the sum of its proper divisors (1080315833410).

1440421111204 is a wasteful number, since it uses less digits than its factorization.

1440421111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360105277805 (or 360105277803 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1440421111204 its reverse (4021111240441), we get a palindrome (5461532351645).

The spelling of 1440421111204 in words is "one trillion, four hundred forty billion, four hundred twenty-one million, one hundred eleven thousand, two hundred four".