42564036602401 has 8 divisors (see below), whose sum is σ = 42927291314600. Its totient is φ = 42202324373760.

The previous prime is 42564036602363. The next prime is 42564036602441. The reversal of 42564036602401 is 10420663046524.

It can be written as a sum of positive squares in 4 ways, for example, as 20826435832801 + 21737600769600 = 4563599^2 + 4662360^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42564036602401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42564036602441) 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, 385565466 + ... + 385675843.

It is an arithmetic number, because the mean of its divisors is an integer number (5365911414325).

Almost surely, 2^{42564036602401} is an apocalyptic number.

It is an amenable number.

42564036602401 is a deficient number, since it is larger than the sum of its proper divisors (363254712199).

42564036602401 is a wasteful number, since it uses less digits than its factorization.

42564036602401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771241779.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 42564036602401 its reverse (10420663046524), we get a palindrome (52984699648925).

The spelling of 42564036602401 in words is "forty-two trillion, five hundred sixty-four billion, thirty-six million, six hundred two thousand, four hundred one".