42404536424101 has 4 divisors (see below), whose sum is σ = 42438217550400. Its totient is φ = 42370855297804.

The previous prime is 42404536424093. The next prime is 42404536424149. The reversal of 42404536424101 is 10142463540424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42404536424101 - 2³ = 42404536424093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404536424501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16840561261 + ... + 16840563778.

It is an arithmetic number, because the mean of its divisors is an integer number (10609554387600).

Almost surely, 2^{42404536424101} is an apocalyptic number.

It is an amenable number.

42404536424101 is a deficient number, since it is larger than the sum of its proper divisors (33681126299).

42404536424101 is a wasteful number, since it uses less digits than its factorization.

42404536424101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33681126298.

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 42404536424101 its reverse (10142463540424), we get a palindrome (52546999964525).

The spelling of 42404536424101 in words is "forty-two trillion, four hundred four billion, five hundred thirty-six million, four hundred twenty-four thousand, one hundred one".