405660530050 has 48 divisors (see below), whose sum is σ = 812732124672. Its totient is φ = 150202483200.

The previous prime is 405660530017. The next prime is 405660530069. The reversal of 405660530050 is 50035066504.

It is a junction number, because it is equal to n+sod(n) for n = 405660529988 and 405660530015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5653839 + ... + 5725138.

It is an arithmetic number, because the mean of its divisors is an integer number (16931919264).

Almost surely, 2^405660530050 is an apocalyptic number.

405660530050 is an abundant number, since it is smaller than the sum of its proper divisors (407071594622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405660530050 is a wasteful number, since it uses less digits than its factorization.

405660530050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379043 (or 11379038 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 405660530050 its reverse (50035066504), we get a palindrome (455695596554).

The spelling of 405660530050 in words is "four hundred five billion, six hundred sixty million, five hundred thirty thousand, fifty".