42404603352065 has 16 divisors (see below), whose sum is σ = 51051386163456. Its totient is φ = 33813189696000.

The previous prime is 42404603352049. The next prime is 42404603352073. The reversal of 42404603352065 is 56025330640424.

It is not a de Polignac number, because 42404603352065 - 2⁴ = 42404603352049 is a prime.

It is a Duffinian number.

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, 960071 + ... + 9259100.

It is an arithmetic number, because the mean of its divisors is an integer number (3190711635216).

Almost surely, 2^{42404603352065} is an apocalyptic number.

It is an amenable number.

42404603352065 is a deficient number, since it is larger than the sum of its proper divisors (8646782811391).

42404603352065 is a wasteful number, since it uses less digits than its factorization.

42404603352065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221880.

The product of its (nonzero) digits is 2073600, while the sum is 44.

Adding to 42404603352065 its reverse (56025330640424), we get a palindrome (98429933992489).

The spelling of 42404603352065 in words is "forty-two trillion, four hundred four billion, six hundred three million, three hundred fifty-two thousand, sixty-five".