565146646140 has 96 divisors (see below), whose sum is σ = 1621318083840. Its totient is φ = 147001715200.

The previous prime is 565146646133. The next prime is 565146646159. The reversal of 565146646140 is 41646641565.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 565146646140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14767951 + ... + 14806169.

It is an arithmetic number, because the mean of its divisors is an integer number (16888730040).

Almost surely, 2^565146646140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565146646140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810659041920).

565146646140 is an abundant number, since it is smaller than the sum of its proper divisors (1056171437700).

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

565146646140 is a wasteful number, since it uses less digits than its factorization.

565146646140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44283 (or 44281 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 565146646140 in words is "five hundred sixty-five billion, one hundred forty-six million, six hundred forty-six thousand, one hundred forty".