42144422342 has 32 divisors (see below), whose sum is σ = 70561943424. Its totient is φ = 18717480000.

The previous prime is 42144422311. The next prime is 42144422401. The reversal of 42144422342 is 24322444124.

It is a junction number, because it is equal to n+sod(n) for n = 42144422299 and 42144422308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49217 + ... + 294467.

It is an arithmetic number, because the mean of its divisors is an integer number (2205060732).

Almost surely, 2^42144422342 is an apocalyptic number.

42144422342 is a deficient number, since it is larger than the sum of its proper divisors (28417521082).

42144422342 is a wasteful number, since it uses less digits than its factorization.

42144422342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245444.

The product of its digits is 49152, while the sum is 32.

Adding to 42144422342 its reverse (24322444124), we get a palindrome (66466866466).

The spelling of 42144422342 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-two thousand, three hundred forty-two".