504646004550 has 48 divisors (see below), whose sum is σ = 1254877517520. Its totient is φ = 134211469440.

The previous prime is 504646004521. The next prime is 504646004557. The reversal of 504646004550 is 55400646405.

It is a junction number, because it is equal to n+sod(n) for n = 504646004499 and 504646004508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504646004557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4453845 + ... + 4565744.

It is an arithmetic number, because the mean of its divisors is an integer number (26143281615).

Almost surely, 2^504646004550 is an apocalyptic number.

504646004550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

504646004550 is an abundant number, since it is smaller than the sum of its proper divisors (750231512970).

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

504646004550 is a wasteful number, since it uses less digits than its factorization.

504646004550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019977 (or 9019972 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 504646004550 in words is "five hundred four billion, six hundred forty-six million, four thousand, five hundred fifty".