42100404105 has 16 divisors (see below), whose sum is σ = 67387051584. Its totient is φ = 22444747200.

The previous prime is 42100404077. The next prime is 42100404121. The reversal of 42100404105 is 50140400124.

It is a happy number.

42100404105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42100404105 - 2¹⁸ = 42100141961 is a prime.

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, 510471 + ... + 587180.

It is an arithmetic number, because the mean of its divisors is an integer number (4211690724).

Almost surely, 2^42100404105 is an apocalyptic number.

It is an amenable number.

42100404105 is a deficient number, since it is larger than the sum of its proper divisors (25286647479).

42100404105 is a wasteful number, since it uses less digits than its factorization.

42100404105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100216.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 42100404105 its reverse (50140400124), we get a palindrome (92240804229).

The spelling of 42100404105 in words is "forty-two billion, one hundred million, four hundred four thousand, one hundred five".