405520434441 has 24 divisors (see below), whose sum is σ = 590804113536. Its totient is φ = 268022217600.

The previous prime is 405520434439. The next prime is 405520434463. The reversal of 405520434441 is 144434025504.

405520434441 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 204 + 3 + 4 + 441 = 666.

It is not a de Polignac number, because 405520434441 - 2¹ = 405520434439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405520434396 and 405520434405.

It is not an unprimeable number, because it can be changed into a prime (405520434401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386961 + ... + 980193.

It is an arithmetic number, because the mean of its divisors is an integer number (24616838064).

Almost surely, 2^405520434441 is an apocalyptic number.

It is an amenable number.

405520434441 is a deficient number, since it is larger than the sum of its proper divisors (185283679095).

405520434441 is a wasteful number, since it uses less digits than its factorization.

405520434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593893 (or 593890 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 405520434441 its reverse (144434025504), we get a palindrome (549954459945).

The spelling of 405520434441 in words is "four hundred five billion, five hundred twenty million, four hundred thirty-four thousand, four hundred forty-one".