42105405298 has 32 divisors (see below), whose sum is σ = 69585531840. Its totient is φ = 18948600000.

The previous prime is 42105405281. The next prime is 42105405313. The reversal of 42105405298 is 89250450124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42105405298.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3473448 + ... + 3485548.

It is an arithmetic number, because the mean of its divisors is an integer number (2174547870).

Almost surely, 2^42105405298 is an apocalyptic number.

42105405298 is a deficient number, since it is larger than the sum of its proper divisors (27480126542).

42105405298 is a wasteful number, since it uses less digits than its factorization.

42105405298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13674.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 42105405298 in words is "forty-two billion, one hundred five million, four hundred five thousand, two hundred ninety-eight".