405312556050 has 96 divisors (see below), whose sum is σ = 1132591973760. Its totient is φ = 106561022400.

The previous prime is 405312556049. The next prime is 405312556057. The reversal of 405312556050 is 50655213504.

405312556050 is a `hidden beast` number, since 4 + 0 + 53 + 1 + 2 + 556 + 0 + 50 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 405312555996 and 405312556014.

It is not an unprimeable number, because it can be changed into a prime (405312556057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2018457 + ... + 2210156.

It is an arithmetic number, because the mean of its divisors is an integer number (11797833060).

Almost surely, 2^405312556050 is an apocalyptic number.

405312556050 is an abundant number, since it is smaller than the sum of its proper divisors (727279417710).

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

405312556050 is a wasteful number, since it uses less digits than its factorization.

405312556050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228705 (or 4228694 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 405312556050 its reverse (50655213504), we get a palindrome (455967769554).

The spelling of 405312556050 in words is "four hundred five billion, three hundred twelve million, five hundred fifty-six thousand, fifty".