459777866020 has 24 divisors (see below), whose sum is σ = 1053309293568. Its totient is φ = 167191951200.

The previous prime is 459777865927. The next prime is 459777866021. The reversal of 459777866020 is 20668777954.

It is a happy number.

It is a super-2 number, since 2×459777866020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459777866020.

It is not an unprimeable number, because it can be changed into a prime (459777866021) by changing a digit.

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, 1044949476 + ... + 1044949915.

It is an arithmetic number, because the mean of its divisors is an integer number (43887887232).

Almost surely, 2^459777866020 is an apocalyptic number.

It is an amenable number.

459777866020 is an abundant number, since it is smaller than the sum of its proper divisors (593531427548).

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

459777866020 is a wasteful number, since it uses less digits than its factorization.

459777866020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089899411 (or 2089899409 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 459777866020 in words is "four hundred fifty-nine billion, seven hundred seventy-seven million, eight hundred sixty-six thousand, twenty".