42256246305 has 64 divisors (see below), whose sum is σ = 83711029248. Its totient is φ = 17724337920.

The previous prime is 42256246301. The next prime is 42256246327. The reversal of 42256246305 is 50364265224.

It is not a de Polignac number, because 42256246305 - 2² = 42256246301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (42256246301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135270 + ... + 320640.

It is an arithmetic number, because the mean of its divisors is an integer number (1307984832).

Almost surely, 2^42256246305 is an apocalyptic number.

It is an amenable number.

42256246305 is a deficient number, since it is larger than the sum of its proper divisors (41454782943).

42256246305 is a wasteful number, since it uses less digits than its factorization.

42256246305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185566.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 42256246305 in words is "forty-two billion, two hundred fifty-six million, two hundred forty-six thousand, three hundred five".