42661222338 has 64 divisors (see below), whose sum is σ = 101258341632. Its totient is φ = 11728696320.

The previous prime is 42661222309. The next prime is 42661222343. The reversal of 42661222338 is 83322216624.

It is a junction number, because it is equal to n+sod(n) for n = 42661222296 and 42661222305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43981 + ... + 295392.

It is an arithmetic number, because the mean of its divisors is an integer number (1582161588).

Almost surely, 2^42661222338 is an apocalyptic number.

42661222338 is an abundant number, since it is smaller than the sum of its proper divisors (58597119294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42661222338 is a wasteful number, since it uses less digits than its factorization.

42661222338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339499.

The product of its digits is 165888, while the sum is 39.

The spelling of 42661222338 in words is "forty-two billion, six hundred sixty-one million, two hundred twenty-two thousand, three hundred thirty-eight".