43701428352 has 128 divisors (see below), whose sum is σ = 124000061760. Its totient is φ = 13588692992.

The previous prime is 43701428327. The next prime is 43701428357. The reversal of 43701428352 is 25382410734.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 43701428352.

It is not an unprimeable number, because it can be changed into a prime (43701428357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708043 + ... + 767285.

Almost surely, 2^43701428352 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 43701428352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62000030880).

43701428352 is an abundant number, since it is smaller than the sum of its proper divisors (80298633408).

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

43701428352 is a wasteful number, since it uses less digits than its factorization.

43701428352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59390 (or 59378 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 43701428352 in words is "forty-three billion, seven hundred one million, four hundred twenty-eight thousand, three hundred fifty-two".