565663470000 has 400 divisors, whose sum is σ = 1880787955200. Its totient is φ = 146361600000.

The previous prime is 565663469939. The next prime is 565663470007. The reversal of 565663470000 is 74366565.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×565663470000² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (565663470007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 244768845 + ... + 244771155.

It is an arithmetic number, because the mean of its divisors is an integer number (4701969888).

Almost surely, 2^565663470000 is an apocalyptic number.

565663470000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565663470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940393977600).

565663470000 is an abundant number, since it is smaller than the sum of its proper divisors (1315124485200).

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

565663470000 is a wasteful number, since it uses less digits than its factorization.

565663470000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 565663470000 in words is "five hundred sixty-five billion, six hundred sixty-three million, four hundred seventy thousand".