43215422063220 has 288 divisors, whose sum is σ = 145364765809536. Its totient is φ = 10303537996800.

The previous prime is 43215422063171. The next prime is 43215422063221. The reversal of 43215422063220 is 2236022451234.

43215422063220 is a `hidden beast` number, since 4 + 3 + 2 + 1 + 5 + 422 + 0 + 6 + 3 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43215422063221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1515412402 + ... + 1515440918.

It is an arithmetic number, because the mean of its divisors is an integer number (504738770172).

Almost surely, 2^{43215422063220} 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 43215422063220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72682382904768).

43215422063220 is an abundant number, since it is smaller than the sum of its proper divisors (102149343746316).

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

43215422063220 is a wasteful number, since it uses less digits than its factorization.

43215422063220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41151 (or 41146 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 43215422063220 in words is "forty-three trillion, two hundred fifteen billion, four hundred twenty-two million, sixty-three thousand, two hundred twenty".