42405705275 has 24 divisors (see below), whose sum is σ = 55364075520. Its totient is φ = 32131239840.

The previous prime is 42405705269. The next prime is 42405705319. The reversal of 42405705275 is 57250750424.

It is not a de Polignac number, because 42405705275 - 2⁴ = 42405705259 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 2605814 + ... + 2622036.

It is an arithmetic number, because the mean of its divisors is an integer number (2306836480).

Almost surely, 2^42405705275 is an apocalyptic number.

42405705275 is a deficient number, since it is larger than the sum of its proper divisors (12958370245).

42405705275 is a wasteful number, since it uses less digits than its factorization.

42405705275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21755 (or 21750 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 41.

The spelling of 42405705275 in words is "forty-two billion, four hundred five million, seven hundred five thousand, two hundred seventy-five".