42840223379 has 16 divisors (see below), whose sum is σ = 43786362240. Its totient is φ = 41901984000.

The previous prime is 42840223369. The next prime is 42840223399. The reversal of 42840223379 is 97332204824.

It is a cyclic number.

It is not a de Polignac number, because 42840223379 - 2³² = 38545256083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42840223369) by changing a digit.

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, 10705379 + ... + 10709379.

It is an arithmetic number, because the mean of its divisors is an integer number (2736647640).

Almost surely, 2^42840223379 is an apocalyptic number.

42840223379 is a deficient number, since it is larger than the sum of its proper divisors (946138861).

42840223379 is a wasteful number, since it uses less digits than its factorization.

42840223379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 42840223379 in words is "forty-two billion, eight hundred forty million, two hundred twenty-three thousand, three hundred seventy-nine".