404520125431144 has 32 divisors (see below), whose sum is σ = 766077002404200. Its totient is φ = 200233406419200.

The previous prime is 404520125431141. The next prime is 404520125431153. The reversal of 404520125431144 is 441134521025404.

It can be written as a sum of positive squares in 4 ways, for example, as 365561780908900 + 38958344522244 = 19119670^2 + 6241662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404520125431097 and 404520125431106.

It is not an unprimeable number, because it can be changed into a prime (404520125431141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23377479 + ... + 36817750.

Almost surely, 2^{404520125431144} is an apocalyptic number.

It is an amenable number.

404520125431144 is a deficient number, since it is larger than the sum of its proper divisors (361556876973056).

404520125431144 is a wasteful number, since it uses less digits than its factorization.

404520125431144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60203653 (or 60203649 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 404520125431144 its reverse (441134521025404), we get a palindrome (845654646456548).

The spelling of 404520125431144 in words is "four hundred four trillion, five hundred twenty billion, one hundred twenty-five million, four hundred thirty-one thousand, one hundred forty-four".