550264502466 has 128 divisors (see below), whose sum is σ = 1442859909120. Its totient is φ = 152175542400.

The previous prime is 550264502461. The next prime is 550264502509. The reversal of 550264502466 is 664205462055.

550264502466 is a `hidden beast` number, since 5 + 502 + 64 + 5 + 0 + 24 + 66 = 666.

It is not an unprimeable number, because it can be changed into a prime (550264502461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1828461 + ... + 2108031.

It is an arithmetic number, because the mean of its divisors is an integer number (11272343040).

Almost surely, 2^550264502466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550264502466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721429954560).

550264502466 is an abundant number, since it is smaller than the sum of its proper divisors (892595406654).

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

550264502466 is a wasteful number, since it uses less digits than its factorization.

550264502466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279757 (or 279751 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 550264502466 in words is "five hundred fifty billion, two hundred sixty-four million, five hundred two thousand, four hundred sixty-six".