43475481216 has 160 divisors (see below), whose sum is σ = 136993608180. Its totient is φ = 13639311360.

The previous prime is 43475481163. The next prime is 43475481239. The reversal of 43475481216 is 61218457434.

43475481216 is a `hidden beast` number, since 43 + 47 + 548 + 1 + 21 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37595658816 + 5879822400 = 193896^2 + 76680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52926 + ... + 299586.

Almost surely, 2^43475481216 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 43475481216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68496804090).

43475481216 is an abundant number, since it is smaller than the sum of its proper divisors (93518126964).

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

43475481216 is a wasteful number, since it uses less digits than its factorization.

43475481216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246704 (or 246683 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 43475481216 in words is "forty-three billion, four hundred seventy-five million, four hundred eighty-one thousand, two hundred sixteen".