42322144312 has 16 divisors (see below), whose sum is σ = 90690309360. Its totient is φ = 18138061824.

The previous prime is 42322144309. The next prime is 42322144321. The reversal of 42322144312 is 21344122324.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 377876233 + ... + 377876344.

It is an arithmetic number, because the mean of its divisors is an integer number (5668144335).

Almost surely, 2^42322144312 is an apocalyptic number.

It is an amenable number.

42322144312 is an abundant number, since it is smaller than the sum of its proper divisors (48368165048).

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

42322144312 is a wasteful number, since it uses less digits than its factorization.

42322144312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755752590 (or 755752586 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 42322144312 its reverse (21344122324), we get a palindrome (63666266636).

The spelling of 42322144312 in words is "forty-two billion, three hundred twenty-two million, one hundred forty-four thousand, three hundred twelve".