42301205361664 has 44 divisors (see below), whose sum is σ = 84574161760228. Its totient is φ = 21147335884800.

The previous prime is 42301205361589. The next prime is 42301205361689. The reversal of 42301205361664 is 46616350210324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17624950411264 + 24676254950400 = 4198208^2 + 4967520^2 .

It is a super-2 number, since 2×42301205361664² (a number of 28 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 42301205361664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449554 + ... + 9823534.

Almost surely, 2^{42301205361664} is an apocalyptic number.

It is an amenable number.

42301205361664 is a deficient number, since it is larger than the sum of its proper divisors (42272956398564).

42301205361664 is an equidigital number, since it uses as much as digits as its factorization.

42301205361664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380482 (or 6380464 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 42301205361664 its reverse (46616350210324), we get a palindrome (88917555571988).

The spelling of 42301205361664 in words is "forty-two trillion, three hundred one billion, two hundred five million, three hundred sixty-one thousand, six hundred sixty-four".