412321043442 has 128 divisors (see below), whose sum is σ = 1089008271360. Its totient is φ = 100759080960.

The previous prime is 412321043441. The next prime is 412321043443. The reversal of 412321043442 is 244340123214.

It is an interprime number because it is at equal distance from previous prime (412321043441) and next prime (412321043443).

It is not an unprimeable number, because it can be changed into a prime (412321043441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25258159 + ... + 25274477.

It is an arithmetic number, because the mean of its divisors is an integer number (8507877120).

Almost surely, 2^412321043442 is an apocalyptic number.

412321043442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 412321043442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544504135680).

412321043442 is an abundant number, since it is smaller than the sum of its proper divisors (676687227918).

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

412321043442 is a wasteful number, since it uses less digits than its factorization.

412321043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19576.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 412321043442 its reverse (244340123214), we get a palindrome (656661166656).

The spelling of 412321043442 in words is "four hundred twelve billion, three hundred twenty-one million, forty-three thousand, four hundred forty-two".