4218530550 has 48 divisors (see below), whose sum is σ = 11266726800. Its totient is φ = 1038407040.

The previous prime is 4218530539. The next prime is 4218530567. The reversal of 4218530550 is 550358124.

It is a congruent number.

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, 1079725 + ... + 1083624.

It is an arithmetic number, because the mean of its divisors is an integer number (234723475).

Almost surely, 2^4218530550 is an apocalyptic number.

4218530550 is an abundant number, since it is smaller than the sum of its proper divisors (7048196250).

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

4218530550 is a wasteful number, since it uses less digits than its factorization.

4218530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163377 (or 2163372 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 4218530550 is about 64950.2159349759. The cubic root of 4218530550 is about 1615.7979998119.

Adding to 4218530550 its reverse (550358124), we get a palindrome (4768888674).

The spelling of 4218530550 in words is "four billion, two hundred eighteen million, five hundred thirty thousand, five hundred fifty".