43047502056 has 128 divisors (see below), whose sum is σ = 129277814400. Its totient is φ = 13193625600.

The previous prime is 43047502033. The next prime is 43047502087. The reversal of 43047502056 is 65020574034.

It is a super-2 number, since 2×43047502056² (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43047502056.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691831 + ... + 751481.

It is an arithmetic number, because the mean of its divisors is an integer number (1009982925).

Almost surely, 2^43047502056 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 43047502056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64638907200).

43047502056 is an abundant number, since it is smaller than the sum of its proper divisors (86230312344).

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

43047502056 is a wasteful number, since it uses less digits than its factorization.

43047502056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59936 (or 59926 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 43047502056 in words is "forty-three billion, forty-seven million, five hundred two thousand, fifty-six".