43014420 has 72 divisors (see below), whose sum is σ = 138162024. Its totient is φ = 10795008.

The previous prime is 43014407. The next prime is 43014421. The reversal of 43014420 is 2441034.

It can be written as a sum of positive squares in 4 ways, for example, as 1179396 + 41835024 = 1086^2 + 6468^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 43014393 and 43014402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43014421) 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, 3969 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1918917).

Almost surely, 2^43014420 is an apocalyptic number.

It is an amenable number.

43014420 is an abundant number, since it is smaller than the sum of its proper divisors (95147604).

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

43014420 is a wasteful number, since it uses less digits than its factorization.

43014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14089 (or 14084 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 43014420 is about 6558.5379468293. The cubic root of 43014420 is about 350.3789636774.

Adding to 43014420 its reverse (2441034), we get a palindrome (45455454).

It can be divided in two parts, 43014 and 420, that added together give a palindrome (43434).

The spelling of 43014420 in words is "forty-three million, fourteen thousand, four hundred twenty".