565304314821420 has 48 divisors (see below), whose sum is σ = 1589764099361760. Its totient is φ = 150089529870336.

The previous prime is 565304314821341. The next prime is 565304314821457. The reversal of 565304314821420 is 24128413403565.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 565304314821420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20571467877 + ... + 20571495356.

It is an arithmetic number, because the mean of its divisors is an integer number (33120085403370).

Almost surely, 2^{565304314821420} is an apocalyptic number.

It is an amenable number.

565304314821420 is an abundant number, since it is smaller than the sum of its proper divisors (1024459784540340).

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

565304314821420 is a wasteful number, since it uses less digits than its factorization.

565304314821420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41142963474 (or 41142963472 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 565304314821420 in words is "five hundred sixty-five trillion, three hundred four billion, three hundred fourteen million, eight hundred twenty-one thousand, four hundred twenty".