42021230460 has 384 divisors, whose sum is σ = 138704928768. Its totient is φ = 9402624000.

The previous prime is 42021230443. The next prime is 42021230477. The reversal of 42021230460 is 6403212024.

42021230460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42021230443) and next prime (42021230477).

It is a self number, because there is not a number n which added to its sum of digits gives 42021230460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 66594345 + ... + 66594975.

It is an arithmetic number, because the mean of its divisors is an integer number (361210752).

Almost surely, 2^42021230460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42021230460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69352464384).

42021230460 is an abundant number, since it is smaller than the sum of its proper divisors (96683698308).

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

42021230460 is a wasteful number, since it uses less digits than its factorization.

42021230460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42021230460 its reverse (6403212024), we get a palindrome (48424442484).

The spelling of 42021230460 in words is "forty-two billion, twenty-one million, two hundred thirty thousand, four hundred sixty".