43028447028 has 72 divisors (see below), whose sum is σ = 117948013344. Its totient is φ = 12172104000.

The previous prime is 43028447027. The next prime is 43028447069. The reversal of 43028447028 is 82074482034.

43028447028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43028447027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302878 + ... + 421653.

It is an arithmetic number, because the mean of its divisors is an integer number (1638166852).

Almost surely, 2^43028447028 is an apocalyptic number.

It is an amenable number.

43028447028 is an abundant number, since it is smaller than the sum of its proper divisors (74919566316).

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

43028447028 is a wasteful number, since it uses less digits than its factorization.

43028447028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724653 (or 724644 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 42.

The spelling of 43028447028 in words is "forty-three billion, twenty-eight million, four hundred forty-seven thousand, twenty-eight".