43058940 has 96 divisors (see below), whose sum is σ = 128459520. Its totient is φ = 10745856.

The previous prime is 43058933. The next prime is 43058947. The reversal of 43058940 is 4985034.

It is an interprime number because it is at equal distance from previous prime (43058933) and next prime (43058947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43058947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121804 + ... + 122156.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 2^43058940 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 43058940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64229760).

43058940 is an abundant number, since it is smaller than the sum of its proper divisors (85400580).

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

43058940 is a wasteful number, since it uses less digits than its factorization.

43058940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 43058940 is about 6561.9311181999. The cubic root of 43058940 is about 350.4998029443.

The spelling of 43058940 in words is "forty-three million, fifty-eight thousand, nine hundred forty".