42340412444 has 18 divisors (see below), whose sum is σ = 81444058752. Its totient is φ = 19245641800.

The previous prime is 42340412441. The next prime is 42340412453. The reversal of 42340412444 is 44421404324.

It is a self number, because there is not a number n which added to its sum of digits gives 42340412444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340412441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43739612 + ... + 43740579.

Almost surely, 2^42340412444 is an apocalyptic number.

42340412444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42340412444 is a deficient number, since it is larger than the sum of its proper divisors (39103646308).

42340412444 is a wasteful number, since it uses less digits than its factorization.

42340412444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87480217 (or 87480204 counting only the distinct ones).

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

Adding to 42340412444 its reverse (44421404324), we get a palindrome (86761816768).

The spelling of 42340412444 in words is "forty-two billion, three hundred forty million, four hundred twelve thousand, four hundred forty-four".