42444420234 has 48 divisors (see below), whose sum is σ = 90239226336. Its totient is φ = 13306566400.

The previous prime is 42444420233. The next prime is 42444420289. The reversal of 42444420234 is 43202444424.

It is a super-2 number, since 2×42444420234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42444420195 and 42444420204.

It is not an unprimeable number, because it can be changed into a prime (42444420233) 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 23 ways as a sum of consecutive naturals, for example, 2716324 + ... + 2731904.

It is an arithmetic number, because the mean of its divisors is an integer number (1879983882).

Almost surely, 2^42444420234 is an apocalyptic number.

42444420234 is an abundant number, since it is smaller than the sum of its proper divisors (47794806102).

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

42444420234 is a wasteful number, since it uses less digits than its factorization.

42444420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17191 (or 17174 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 42444420234 its reverse (43202444424), we get a palindrome (85646864658).

The spelling of 42444420234 in words is "forty-two billion, four hundred forty-four million, four hundred twenty thousand, two hundred thirty-four".