42330043400 has 96 divisors (see below), whose sum is σ = 99612556680. Its totient is φ = 16727040000.

The previous prime is 42330043397. The next prime is 42330043429. The reversal of 42330043400 is 434003324.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2120970916 + 40209072484 = 46054^2 + 200522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12821750 + ... + 12825050.

Almost surely, 2^42330043400 is an apocalyptic number.

42330043400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42330043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49806278340).

42330043400 is an abundant number, since it is smaller than the sum of its proper divisors (57282513280).

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

42330043400 is a wasteful number, since it uses less digits than its factorization.

42330043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4066 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 42330043400 its reverse (434003324), we get a palindrome (42764046724).

The spelling of 42330043400 in words is "forty-two billion, three hundred thirty million, forty-three thousand, four hundred".