505411404402430 has 64 divisors (see below), whose sum is σ = 918381919440960. Its totient is φ = 200256025688064.

The previous prime is 505411404402427. The next prime is 505411404402439. The reversal of 505411404402430 is 34204404114505.

It is a self number, because there is not a number n which added to its sum of digits gives 505411404402430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505411404402439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347249494 + ... + 348701926.

It is an arithmetic number, because the mean of its divisors is an integer number (14349717491265).

Almost surely, 2^{505411404402430} is an apocalyptic number.

505411404402430 is a deficient number, since it is larger than the sum of its proper divisors (412970515038530).

505411404402430 is a wasteful number, since it uses less digits than its factorization.

505411404402430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453453.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 505411404402430 its reverse (34204404114505), we get a palindrome (539615808516935).

The spelling of 505411404402430 in words is "five hundred five trillion, four hundred eleven billion, four hundred four million, four hundred two thousand, four hundred thirty".