8420506063530 has 128 divisors (see below), whose sum is σ = 23348872774656. Its totient is φ = 1920794649600.

The previous prime is 8420506063523. The next prime is 8420506063573. The reversal of 8420506063530 is 353606050248.

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, 23445489 + ... + 23801931.

It is an arithmetic number, because the mean of its divisors is an integer number (182413068552).

Almost surely, 2^{8420506063530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8420506063530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11674436387328).

8420506063530 is an abundant number, since it is smaller than the sum of its proper divisors (14928366711126).

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

8420506063530 is a wasteful number, since it uses less digits than its factorization.

8420506063530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360692.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 8420506063530 in words is "eight trillion, four hundred twenty billion, five hundred six million, sixty-three thousand, five hundred thirty".