404500054 has 32 divisors (see below), whose sum is σ = 712647936. Its totient is φ = 168588000.

The previous prime is 404500043. The next prime is 404500073. The reversal of 404500054 is 450005404.

It is a junction number, because it is equal to n+sod(n) for n = 404499998 and 404500034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149764 + ... + 152440.

It is an arithmetic number, because the mean of its divisors is an integer number (22270248).

Almost surely, 2^404500054 is an apocalyptic number.

404500054 is a deficient number, since it is larger than the sum of its proper divisors (308147882).

404500054 is a wasteful number, since it uses less digits than its factorization.

404500054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 404500054 is about 20112.1867035884. The cubic root of 404500054 is about 739.5590592000.

Adding to 404500054 its reverse (450005404), we get a palindrome (854505458).

The spelling of 404500054 in words is "four hundred four million, five hundred thousand, fifty-four".