405423050055 has 32 divisors (see below), whose sum is σ = 671985082368. Its totient is φ = 208505875200.

The previous prime is 405423049987. The next prime is 405423050113. The reversal of 405423050055 is 550050324504.

It is not a de Polignac number, because 405423050055 - 2¹² = 405423045959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405423049998 and 405423050025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1420719 + ... + 1682048.

It is an arithmetic number, because the mean of its divisors is an integer number (20999533824).

Almost surely, 2^405423050055 is an apocalyptic number.

405423050055 is a deficient number, since it is larger than the sum of its proper divisors (266562032313).

405423050055 is a wasteful number, since it uses less digits than its factorization.

405423050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103087.

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 405423050055 its reverse (550050324504), we get a palindrome (955473374559).

The spelling of 405423050055 in words is "four hundred five billion, four hundred twenty-three million, fifty thousand, fifty-five".