43227920736 has 864 divisors, whose sum is σ = 173669723136. Its totient is φ = 10015488000.

The previous prime is 43227920731. The next prime is 43227920797. The reversal of 43227920736 is 63702972234.

43227920736 is a `hidden beast` number, since 432 + 2 + 7 + 9 + 207 + 3 + 6 = 666.

It is a super-3 number, since 3×43227920736³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43227920691 and 43227920700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43227920731) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 62558151 + ... + 62558841.

It is an arithmetic number, because the mean of its divisors is an integer number (201006624).

Almost surely, 2^43227920736 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 43227920736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86834861568).

43227920736 is an abundant number, since it is smaller than the sum of its proper divisors (130441802400).

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

43227920736 is a wasteful number, since it uses less digits than its factorization.

43227920736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 43227920736 in words is "forty-three billion, two hundred twenty-seven million, nine hundred twenty thousand, seven hundred thirty-six".