566450218940 has 24 divisors (see below), whose sum is σ = 1211989716000. Its totient is φ = 222304991168.

The previous prime is 566450218933. The next prime is 566450218969. The reversal of 566450218940 is 49812054665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267192440 + ... + 267194559.

It is an arithmetic number, because the mean of its divisors is an integer number (50499571500).

Almost surely, 2^566450218940 is an apocalyptic number.

It is an amenable number.

566450218940 is an abundant number, since it is smaller than the sum of its proper divisors (645539497060).

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

566450218940 is a wasteful number, since it uses less digits than its factorization.

566450218940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534387061 (or 534387059 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 566450218940 in words is "five hundred sixty-six billion, four hundred fifty million, two hundred eighteen thousand, nine hundred forty".