43426020 has 96 divisors (see below), whose sum is σ = 139668480. Its totient is φ = 9970560.

The previous prime is 43425997. The next prime is 43426081. The reversal of 43426020 is 2062434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10809 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (1454880).

Almost surely, 2^43426020 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 43426020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69834240).

43426020 is an abundant number, since it is smaller than the sum of its proper divisors (96242460).

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

43426020 is a wasteful number, since it uses less digits than its factorization.

43426020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 43426020 is about 6589.8421832393. The cubic root of 43426020 is about 351.4929964132.

Adding to 43426020 its reverse (2062434), we get a palindrome (45488454).

The spelling of 43426020 in words is "forty-three million, four hundred twenty-six thousand, twenty".