405041210032020 has 192 divisors, whose sum is σ = 1181551049844480. Its totient is φ = 103583238246400.

The previous prime is 405041210032009. The next prime is 405041210032033. The reversal of 405041210032020 is 20230012140504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2236952290 + ... + 2237133350.

It is an arithmetic number, because the mean of its divisors is an integer number (6153911717940).

Almost surely, 2^{405041210032020} 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 405041210032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590775524922240).

405041210032020 is an abundant number, since it is smaller than the sum of its proper divisors (776509839812460).

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

405041210032020 is a wasteful number, since it uses less digits than its factorization.

405041210032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196586 (or 196584 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 405041210032020 its reverse (20230012140504), we get a palindrome (425271222172524).

The spelling of 405041210032020 in words is "four hundred five trillion, forty-one billion, two hundred ten million, thirty-two thousand, twenty".