42021430000 has 200 divisors, whose sum is σ = 114576523776. Its totient is φ = 14786400000.

The previous prime is 42021429997. The next prime is 42021430001. The reversal of 42021430000 is 3412024.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021430001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3403839 + ... + 3416161.

Almost surely, 2^42021430000 is an apocalyptic number.

42021430000 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 42021430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57288261888).

42021430000 is an abundant number, since it is smaller than the sum of its proper divisors (72555093776).

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

42021430000 is a wasteful number, since it uses less digits than its factorization.

42021430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393 (or 12372 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42021430000 its reverse (3412024), we get a palindrome (42024842024).

The spelling of 42021430000 in words is "forty-two billion, twenty-one million, four hundred thirty thousand".