43063040 has 72 divisors (see below), whose sum is σ = 109272240. Its totient is φ = 16203776.

The previous prime is 43063039. The next prime is 43063043. The reversal of 43063040 is 4036034.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43063043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20771 + ... + 22749.

It is an arithmetic number, because the mean of its divisors is an integer number (1517670).

Almost surely, 2^43063040 is an apocalyptic number.

43063040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54636120).

43063040 is an abundant number, since it is smaller than the sum of its proper divisors (66209200).

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

43063040 is a wasteful number, since it uses less digits than its factorization.

43063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 43063040 is about 6562.2435187975. The cubic root of 43063040 is about 350.5109272588.

Adding to 43063040 its reverse (4036034), we get a palindrome (47099074).

The spelling of 43063040 in words is "forty-three million, sixty-three thousand, forty".