1404211401224 has 8 divisors (see below), whose sum is σ = 2632896377310. Its totient is φ = 702105700608.

The previous prime is 1404211401221. The next prime is 1404211401239. The reversal of 1404211401224 is 4221041124041.

It can be written as a sum of positive squares in only one way, i.e., 1287131092324 + 117080308900 = 1134518^2 + 342170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1404211401193 and 1404211401202.

It is not an unprimeable number, because it can be changed into a prime (1404211401221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87763212569 + ... + 87763212584.

Almost surely, 2^{1404211401224} is an apocalyptic number.

It is an amenable number.

1404211401224 is a deficient number, since it is larger than the sum of its proper divisors (1228684976086).

1404211401224 is a wasteful number, since it uses less digits than its factorization.

1404211401224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175526425159 (or 175526425155 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 1404211401224 its reverse (4221041124041), we get a palindrome (5625252525265).

The spelling of 1404211401224 in words is "one trillion, four hundred four billion, two hundred eleven million, four hundred one thousand, two hundred twenty-four".