405503020054 has 16 divisors (see below), whose sum is σ = 664983567360. Its totient is φ = 183921451560.

The previous prime is 405503020033. The next prime is 405503020063. The reversal of 405503020054 is 450020305504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19894734 + ... + 19915105.

It is an arithmetic number, because the mean of its divisors is an integer number (41561472960).

Almost surely, 2^405503020054 is an apocalyptic number.

405503020054 is a deficient number, since it is larger than the sum of its proper divisors (259480547306).

405503020054 is a wasteful number, since it uses less digits than its factorization.

405503020054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39810315.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 405503020054 its reverse (450020305504), we get a palindrome (855523325558).

The spelling of 405503020054 in words is "four hundred five billion, five hundred three million, twenty thousand, fifty-four".